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CARUSO, F. ; OGURI, V. ; SILVEIRA, F. ; TROPER, A. . A planar model for the muon-catalyzed fusion. EPL (EUROPHYSICS LETTERS) , v. 128, p. 22001, 2019.
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de Oliveira, A.L. ; Chaves, C.M. ; de Oliveira, N.A. ; TROPER, A. . On the local magnetic moment formation and on the magnetic hyperfine field at isoelectronic noble impurities (Cu, Ag, Au) diluted in GdZn: Period effect. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS , v. 429, p. 211-213, 2017.
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de Oliveira, A.L. ; Chaves, C.M. ; OLIVEIRA, N.A. DE ; TROPER, A. . Temperature dependence of the magnetic hyperfine field at an s-p impurity diluted in RNi2. Journal of Magnetism and Magnetic Materials , v. 401, p. 248-250, 2016.
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OLIVEIRA, A L DE ; Chaves, C M ; OLIVEIRA, N A de ; TROPER, A . Temperature dependence of the local magnetic momment at a Cd impurity diluted in Zn ( = Gd, Tb and Dy) compounds. Materials Research Express , v. 3, p. 016502, 2016.
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de Oliveira, A.L. ; Chaves, C.M. ; de Oliveira, N.A. ; TROPER, A. . Magnetic hyperfine field at a Cd impurity diluted in RCo2 at finite temperatures. Journal of Magnetism and Magnetic Materials , v. 384, p. 284-288, 2015.
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OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . Magnetocaloric effect in (TbcR1-c)Co2 (R=Er and Ho). Journal of Alloys and Compounds , v. 618, p. 386-389, 2015.
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Calegari, E J ; LAUSMANN, A C ; MAGALHAES, S G ; Chaves, C M ; TROPER, A . Pseudogap and the specific heat of high T c superconductors: a Hubbard model in a n-pole approximation. Journal of Physics. Conference Series (Online) , v. 592, p. 012075, 2015.
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Chaves, C.M. ; CALEGARI, E.J. ; MAGALHÃES, S.G. ; TROPER, A. . Ferromagnetism in two band metals: The very strong coupling limit. Physica. B, Condensed Matter (Print) , v. 474, p. 77-80, 2015.
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LAUSMANN, A. C. ; CALEGARI, E. J. ; MAGALHAES, S. G. ; CHAVES, C. M. ; TROPER, A. . Interplay Between Condensation Energy, Pseudogap, and the Specific Heat of a Hubbard Model in a $$n$$ n -Pole Approximation. Journal of Low Temperature Physics , v. 179, p. 94-100, 2015.
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DE MEDEIROS, L.G. ; de Oliveira, N.A. ; von Ranke, P.J. ; TROPER, A. . On the magnetocaloric effect of itinerant electron systems with first order transition. Physica. A (Print) , v. 392, p. 1355-1360, 2013.
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CALEGARI, E.J. ; MAGALHAES, S.G. ; Chaves, C.M. ; TROPER, A. . Pseudogap and the specific heat of high Tcsuperconductors. Solid State Communications , v. 158, p. 20-24, 2013.
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CALEGARI, E.J. ; LOBO, C.O. ; MAGALHAES, S.G. ; Chaves, C.M. ; TROPER, A. . Specific heat of a non-local attractive Hubbard model. Physics Letters. A (Print) , v. 377, p. 1637-1642, 2013.
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de Oliveira, N.A. ; von Ranke, P.J. ; TROPER, A. . Magnetocaloric and barocaloric effects: Theoretical description and trends. International Journal of Refrigeration , v. 37, p. 237-248, 2013.
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Calegari, E J ; Lobo, C O ; Magalhães, S G ; Chaves, C M ; TROPER, A . Many-body effects in high- materials: anomalous properties in the pseudogap region. Superconductor Science and Technology (Print) , v. 25, p. 025011, 2012.
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TROPER, A. ; A. L. de OLiveira ; CHAVES, C. M. ; Chaves, C. M. ; de Oliveira, N. A. . Theoretical study of the hyperfine field at Cu impurities diluted in an iron host. Physical Review. C. Nuclear Physics (Print) , v. 86, p. 017302, 2012.
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Chaves, C M ; Calegari, E J ; Magalhães, S G ; TROPER, A . Magnetic properties of correlated one-band metals: the effect of the Roth band shift in the single site approximation. Journal of Physics. Conference Series (Online) , v. 391, p. 012087, 2012.
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de Oliveira, A. L. ; de Oliveira, N. A. ; CHAVES, C. M. ; TROPER, A. . Local magnetic moment formation and magnetic hyperfine fields at Cd impurity in RAl2 (R = rare earth metal). AIP Advances , v. 2, p. 032178, 2012.
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Troper, A. ; Calegari ; G.MAGALHAES, S. ; CHAVES, C. M. . Superconductivity in an extended Hubbard model with attractive interaction. Superconductor Science and Technology (Print) , v. 24, p. 035004, 2011.
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Chaves, C.M. ; de Oliveira, A.L. ; de Oliveira, N.A. ; TROPER, A. . Magnetic hyperfine field at s p impurities on Laves phase compounds. Journal of Magnetism and Magnetic Materials , v. 323, p. 881-884, 2011.
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Caixeiro, E. ; TROPER, A. . Superconductivity in the extended two-dimensional Hubbard model: Strong-coupling regime and hybridization effects. Physical Review. B, Condensed Matter and Materials Physics , v. 82, p. 014502, 2010.
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Chaves, C.M. ; TROPER, A. . Ferromagnetism in two band metals: Combined effect of Coulomb correlation, hybridization and band widths?. Journal of Magnetism and Magnetic Materials , v. 322, p. 1123-1125, 2010.
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de Medeiros Jr., L.G. ; de Oliveira, N.A. ; TROPER, A. . Magnetocaloric and barocaloric effects in Mn(As0.7Sb0.3)Mn(As0.7Sb0.3). Journal of Magnetism and Magnetic Materials , v. 322, p. 1558-1560, 2010.
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de Oliveira, A. L. ; CHAVES, C. M. ; de Oliveira, N. A. ; TROPER, A. . Magnetic moment formation at a dilute [sup 140]Ce impurity in RCo[sub 2] compounds. Journal of Applied Physics , v. 107, p. 09E122, 2010.
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de Oliveira, A.L. ; de Oliveira, N.A. ; TROPER, A. . Local magnetic moment formation at 119Sn Mössbauer impurity in RFe2RFe2 (R=rare-earth metalsR=rare-earth metals) Laves phases compounds. Journal of Magnetism and Magnetic Materials , v. 322, p. 1102-1104, 2010.
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de Medeiros Jr., L.G. ; de Oliveira, N.A. ; TROPER, A. . Giant magnetocaloric and barocaloric effects in Mn(As1?xSbx). Journal of Alloys and Compounds , v. 501, p. 177-182, 2010.
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Caixeiro, E. S. ; TROPER, A. . Superconductivity in a strongly correlated electron system: A theoretical study. Journal of Applied Physics , v. 105, p. 07E307, 2009.
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CHAVES, C. M. ; TROPER, A. . Effect of hybridization on the magnetic properties of correlated two-band metals. Journal of Applied Physics , v. 105, p. 07E504, 2009.
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CHAVES, C. M. ; TROPER, A. . Cross effect of Coulomb correlation and hybridization in the occurrence of ferromagnetism in two shifted band transition metals. European Physical Journal B , p. x-y, 2009.
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Caixeiro, E.S. ; TROPER, A. . Superconductivity in a correlated two-dimensional Hubbard model: A theoretical study. Physica. B, Condensed Matter , p. 1-4, 2009.
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Gomes, M.B. ; de Oliveira, N.A. ; von Ranke, P.J. ; TROPER, A. . Magnetocaloric effect in (Gd1-cTbc)5Si2Ge2(Gd1-cTbc)5Si2Ge2. Journal of Magnetism and Magnetic Materials , v. 321, p. 4006-4009, 2009.
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CHAVES, C. M. ; GOMES, A. A. ; TROPER, A. . . On the use of single site approximation in presence of hybridization to describe correlation in pure metals. Physica. B, Condensed Matter , v. 403, p. 1459-1460, 2008.
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E.S.CAIXEIRO, ; TROPER, A. . Effect of hybridization in a two-band Hubbard superconductor: Strong coupling limit with extended s-wave gap. Physica. B, Condensed Matter , v. 403, p. 1071-1073, 2008.
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E.S.CAIXEIRO, ; TROPER, A. . Superconductivity and hybridization in a two-dimensional extended Hubbard model: Strong coupling regime. Journal of Magnetism and Magnetic Materials , v. 320, p. e490-e492, 2008.
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de Medeiros, L. G. ; de Oliveira, N. A. ; Troper, A. . Barocaloric and magnetocaloric effects in La(Fe[sub 0.89]Si[sub 0.11])[sub 13]. Journal of Applied Physics , v. 103, p. 113909, 2008.
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DEOLIVEIRA, A ; TOVARCOSTA, M ; DEOLIVEIRA, N ; TROPER, A . Local magnetic moments and hyperfine fields of transition element impurities in ferromagnetic Gd and Tb rare earth metals. Journal of Magnetism and Magnetic Materials , v. 320, p. e446-e449, 2008.
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TROPER, A. ; OLIVEIRA, A. L. ; TOVARCOSTA, M ; OLIVEIRA, N A de . Functional Integral calculation of local magnetic moments at Ta Impurities embedded in X Fe2 (X = Y, Pr, Gd, Yb, Lu) compounds: Temperatura dependence.. Physica. B, Condensed Matter , v. 403, p. 1408-1410, 2008.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Local magnetic moment formation at 119Sn Mossbauer impurity in RCo2 (R = Gd, Tb, Dy, Ho, Er) Laves phases compounds.. Journal of Applied Physics , v. 103, p. 07C909, 2008.
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NOBREGA, E. P. ; OLIVEIRA, A. L. ; OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . Monte Carlo calculations of the magnetocaloric effect in gadolinium. Journal of Magnetism and Magnetic Materials , v. 320, p. e147-e149, 2008.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TOVARCOSTA, M ; TROPER, A. . Local magnetic moments at Ta impurities diluted in XFe2 (X=Y,Gd,Yb) Laves Phases compounds.. Journal of the Brazilian Chemical Society , v. 19, p. 268-272, 2008.
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NOBREGA, E. P. ; OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . Magnetocaloric calculations of the magnetocaloric effect in (Gd0.6 Tb0.4)5 Si4. Journal of Magnetism and Magnetic Materials , v. 310, p. 2805-2807, 2007.
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E.S.CAIXEIRO, ; E.V.L. DE MELLO ; TROPER, A. . Calculations for an inhomogeneous d-wave superconductor. Physica. C, Superconductivity , v. 459, p. 37-42, 2007.
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E.S.CAIXEIRO, ; TROPER, A. . Effect of hybridization in the d-wave superconductivity of a two band system: strong coupling limit. Physica. C, Superconductivity , v. 460, p. 712, 2007.
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E.S.CAIXEIRO, ; E.V.L. DE MELLO ; TROPER, A. . Theoretical calculation for disordered s-wave superconductors. Physica. C, Superconductivity , v. 460, p. 1163, 2007.
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NOBREGA, E. P. ; OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . The Magnetocaloric effect in R5 Si4 (R Gd, Tb): a Monte Carlo calculation. Journal of Physics. Condensed Matter , United Kingdom, v. 18, p. 1275-1283, 2006.
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TROPER, A. ; NOBREGA, E. P. ; OLIVEIRA, N A de ; RANKE, P. V. . Monte Carlo calculations of the magnetocaloric effect in RAl2 (R = Dy and Er). Journal of Applied Physics , ESTADOS UNIDOS, v. 99, p. 08Q103-1-08Q103-1, 2006.
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NOBREGA, E. P. ; OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . Magnetocaloric effect in rare earth based compounds: A Monte Carlo study. Physica. B, Condensed Matter , v. 378, p. 716-717, 2006.
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NOBREGA, E. P. ; OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . Magnetocaloric effect in (Gdx Tb1-x)5 Si4 by Monte Carlo Simulations. Physical Review. B, Condensed Matter. (Cessou 1997. Cont. 1098-0121 Physical Review. B, Condensed Matter and Materials Physics) , v. 74, p. 144429-1-144429-6, 2006.
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K.JHA, P. ; TROPER, A. ; LIMA, I. C. C. ; TALATI, M. ; SANYAL, S. . Phonon properties of intrinsic insulating phase of the cobalt oxide superconductor NaCoO2. Physica. B, Condensed Matter , Holanda, v. 366, p. 153-161, 2005.
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TROPER, A. ; CONTINENTINO, M. A. ; REYS, D. ; SAGUIA, A. . Phase diagram of the Kondo necklace model at finite temperatures. Physica B: Condensed Matter, Holanda, v. 359, p. 714-716, 2005.
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NOBREGA, E. P. ; OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . Monte Carlo Calculations of the magnetocaloric effect in Gd5 (Six Ge1-x )4 compounds. Physical Review. B, Condensed Matter. (Cessou 1997. Cont. 1098-0121 Physical Review. B, Condensed Matter and Materials Physics) , Estados Unidos, v. 72, p. 134426, 2005.
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TROPER, A. ; NOBREGA, E. P. ; RANKE, P. V. ; OLIVEIRA, N A de . Magnetocaloric Effect in GdAl2 and GdNi2 intermetallics: A Monte Carlo Study. Bulletin of the American Physical Society , v. 50, p. 1272, 2005.
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OLIVEIRA, N A de ; RANKE, P. V. ; TROPER, A. . Magnetocaloric effect in rare-earth pseudobinary Er (Co1-c Nic )2. Physical Review B - Condensed Matter and Materials Physics , Estados Unidos, v. 69, p. 64421, 2004.
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OLIVEIRA, N A de ; RAMUNNI, V P ; TROPER, A. . Residual resistivity of nd impurities in noble hosts. Physica. B, Condensed Matter , v. 354, p. 345, 2004.
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M.A.BOSELLI, ; LIMA, I. C. C. ; A.GHAZALI, ; TROPER, A. ; J.R.LEITE, . Ferromagnetism in the metallic phase of (Ga,Mn)N nanoestructures. Applied Physics Letters , v. 84, p. 1138, 2004.
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OLIVEIRA, A. L. ; COSTA, M. V. T. ; OLIVEIRA, N A de ; TROPER, A. . On the magnetic hyperfine fields of nd impurities in ferromagnetic Gd and Tb hosts. Journal of Magnetism and Magnetic Materials, Holanda, v. 639, p. 272-276, 2004.
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RAMUNNI, V P ; OLIVEIRA, N A de ; TROPER, A. . On the temperature independent resistivity of impurities diluted in noble hosts. Modern Physics Letters B , Estados Unidos, v. 18, p. 149-156, 2004.
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TROPER, A. ; OLIVEIRA, N A de ; RANKE, P. V. . . Magnetocaloric effect in the Laves phase pseudobinary Ho (Co1-c Rhc )2. Journal of Magnetism and Magnetic Materials , Holanda, v. 583, p. 272-276, 2004.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Local magnetic moment on a Ta impurity diluted in YFe and GdFe2 intermetallic compounds: a functional integral approach.. Journal of Magnetism and Magnetic Materials , Holanda, v. 631, p. 272-276, 2004.
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RAMUNNI, V P ; JAPIASSU, G.P. ; TROPER, A. . On intraband and interband BCS pairings in presence of hybridization in two band superconductors. Physica. C, Superconductivity , Holanda, v. 408, p. 355-357, 2004.
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RAMUNNI, V P ; JAPIASSU, G.P. ; TROPER, A. . Effect of hybridization on the specific heat jump in two band superconductors. Physica. C, Superconductivity , Holanda, v. 408, p. 358-360, 2004.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Magnetic moment formation and hyperfine fields at Ta impurity diluted in RCo2 intermetallic compounds. Journal of Magnetism and Magnetic Materials , v. 270, p. 208-215, 2004.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Hyperfine fields on actinide impurities in ferromagnetic Fe and Ni hosts. Acta Phys.Pol.B, Polonia, v. 34, p. 1411-1415, 2003.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Magnetic Moment formation at dilute Cd impurities in RNi2 and RCo2 intermetallic compounds. Physical Review B - Condensed Matter and Materials Physics , Estados Unidos, v. 67, p. 01241-01244, 2003.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . The hyperfine field at rare earth impurities diluted in Fe, Co and Ni hosts: a theoretical study. Journal of Physics. Condensed Matter , Inglaterra, v. 14, p. 1949-1955, 2002.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Hyperfine fields at 3d impurities in Zr Fe2 intermetallic compound:. A theoretical study. Journal of Applied Physics , Estados Unidos, v. 91, p. 8876-8878, 2002.
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OLIVEIRA, N A de ; RANKE, P. V. ; COSTA, M. V. T. ; TROPER, A. . Magnetocaloric effect in the Laves phase pseudobinary (Er 1-c Yc )Co2 compound. Journal of Applied Physics , Holanda, v. 91, p. 8879, 2002.
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OLIVEIRA, N A de ; RANKE, P. V. ; COSTA, M. V. T. ; TROPER, A. . Magnetocaloric effect in the intermetallic compounds RCo2 (R=Dy,Ho,Er). Physical Review B - Condensed Matter and Materials Physics , v. 66, p. 09440-09442, 2002.
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FREITAS, WN ; OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Theoretical study of s-p, noble and transition elements impurities in 3d-ferromagnetic hosts: magnetic and hyperfine field properties. Hyperfine Interactions , v. 133, p. 221-233, 2001.
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FREITAS, WN ; OLIVEIRA, A. L. ; OLIVEIRA, N A de ; TROPER, A. . Local magnetic and hyperfine field properties of s-p, noble and transition metal impurities in Co host. Journ. Magn.Magn. Mat., v. 391, p. 226-230, 2001.
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RAMUNNI, V P ; JAPIASSU, G. M. ; TROPER, A. . Role of intraband and interband pairings in two-band superconductors: deviations from BCS results. Journal of Magnetism and Magnetic Materials , v. 376, p. 226-230, 2001.
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RAMUNNI, V P ; JAPIASSU, G. M. ; TROPER, A. . Specific heat jump in two band superconductors. Physica C, v. 190, p. 364-365, 2001.
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OLIVEIRA, A. L. ; COSTA, M. V. T. ; OLIVEIRA, N A de ; TROPER, A. . Theoretical study of hyperfine fields at diluted s-p, noble and n-d impurities in ferromagnetic compounds GdX (X=Zu, Cd). J. Appl. Phys., v. 87, n.4884, p. 4882, 2000.
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RAMUNNI, V P ; JAPIASSU, G.P. ; TROPER, A. . Some properties of two-band superconductors: role of k-dependent hybridization. Physica. C, Superconductivity , v. 341, p. 137-138, 2000.
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OLIVEIRA, N A de ; COSTA, M. V. T. ; TROPER, A. ; JAPIASSU, G. M. ; CONTINENTINO, M. A. . Change of Universality Class of Metal-Insulator Due to Magnetic Ordering. Journal of Applied Physics , v. 85, p. 5332-5334, 1999.
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OLIVEIRA, N A de ; COSTA, M. V. T. ; TROPER, A. ; JAPIASSU, G. M. ; CONTINENTINO, M. A. . Magnetic Field Driven Metal-Insulator Transitions in Kondo Insulator. Phys Rev B, v. 60, p. 1444-1447, 1999.
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WANG, X. F. ; LIMA, I. C. C. ; TROPER, A. ; LEI, X. L. . Analysis of the Scattering of Electrons by Special Vibrational Modes in GaAs Quantum Well With a Thin AIAs Middle Barrier: Moobility Mudulated by a Transversal Electric Field. Journal of Applied Physics , v. 85, p. 6598-6605, 1999.
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WANG, X. F. ; LIMA, I. C. C. ; TROPER, A. . Electron-Optical Phonon Interaction in CdTe/CdMnTe/CdMgTe e Quantum Wells. Semiconductor Science and Technology , v. 14, p. 829-835, 1999.
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LEI, X. L. ; LIMA, I. C. C. ; TROPER, A. . Superlattice Vertical Transport With High Lying Minibands. Superlattices and Microstructures , v. 23, p. 246-248, 1998.
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OLIVEIRA, A. L. ; COSTA, M. V. T. ; OLIVEIRA, N A de ; TROPER, A. . Systematic of Magnetic Hyperfine Fields at Diluted Impurities in Ferromagnetic Rare Earth Compounds GdX (X=Zn and Cd): A Theoretical Study. Journal of Magnetism and Magnetic Materials , v. 177, p. 1091-1092, 1998.
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COSTA, M. V. T. ; OLIVEIRA, N A de ; JAPIASSU, G. M. ; CONTINENTINO, M. A. ; TROPER, A. . Temperature-driven Metal Non-Metal Transition in Kondo Insulators. Journal of Magnetism and Magnetic Materials , v. 177, p. 331-332, 1998.
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OLIVEIRA, A. L. ; COSTA, M. V. T. ; OLIVEIRA, N A de ; TROPER, A. . Study of Magnetic Hyperfine Data on Rare-Earth Impurities in Fe and Ni: Non-Orbital Contribution. Journal of Magnetism and Magnetic Materials , v. 177, p. 1441-1442, 1998.
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COSTA, M. V. T. ; OLIVEIRA, N A de ; JAPIASSU, G. M. ; CONTINENTINO, M. A. ; TROPER, A. . Metal-Insulator Transition in Kondo Iinsulators: A Functional Integral Appproach. Phys Rev B, v. 57, p. 6943-6947, 1998.
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OLIVEIRA, A. L. ; RAMUNNI, V P ; COSTA, M. V. T. ; OLIVEIRA, N A de ; TROPER, A. . Theoretical Study of Hyperfine Fields at Impurity Nuclei in GdX(X = Zn, Cd) Compounds: a Two Center Model. Journal of Applied Physics , v. 83, p. 6971-6973, 1998.
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WANG, X. F. ; LIMA, I. C. C. ; LEI, X. L. ; TROPER, A. . Hot Electron Transport and Impact Ionization Process in Hg0,8Cd0,2Te. Phys Rev B, v. 58, p. 3529-3532, 1998.
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LIMA, I. C. C. ; FERREIRA FILHO, L. G. ; TROPER, A. . RKKY Interaction Between Impurities in GaAs/AIAS Quantum Wells. Modern Physics Letters B , v. 5, p. 195-199, 1997.
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OLIVEIRA, A. L. ; OLIVEIRA, N A de ; COSTA, M. V. T. ; TROPER, A. . Local Magnetization and Hyperfine Field Systematics of s-p and noble impurities in Gd and Ni Hosts. Journal of Applied Physics , v. 81, p. 4215-4217, 1997.
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COSTA, M. V. T. ; OLIVEIRA, N A de ; TROPER, A. . On the Local Magnetic Moments at X sites in Fe2 Compounds: Pressure Effects (X = Y,Lu,Zr,Hf). Journal of Applied Physics , v. 81, p. 3880-3882, 1997.
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LEI, X. L. ; LIMA, I. C. C. ; TROPER, A. . Effect of High-Lying Minibands on Superlattice Vertical Transport. Journal of Applied Physics , v. 82, p. 3906-3910, 1997.
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FERREIRA FILHO, L. G. ; LIMA, I. C. C. ; TROPER, A. . Indirected Exchange Between Magnetic Impurities Via the Inhomogeneous Electrons Gas in Ga1-xAlxAs/GaAs Symmetric Double Quantum Well under a Longitudinal Electric Field. Semiconductor Science and Technology , v. 12, p. 1592-1597, 1997.
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OLIVEIRA, A. L. ; COSTA, M. V. T. ; OLIVEIRA, N A de ; TROPER, A. . Hyperfine Fields and Local Magnetic Moments of diluted Mössbauer Impurities in Gd Tb and Dy Rare Earth Metals. Essays On Interdisciplinary Topics In Natural Sciences, p. 165-185, 1997.
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LIMA, I. C. C. ; FERREIRA FILHO, L. G. ; TROPER, A. . Ruderman-Kittel-Kasuya-Yosida Interaction between impurities in GaAs/AlAs Quantum Wells under Strong Electric Field. Journal of Applied Physics , v. 81, p. 5308, 1997.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . Remarks on the Role of Excitonic Renormalization in Metal - Insulator Transition. Brazilian Journal of Physics , v. 26, p. 205-210, 1996.
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LEAL, C. E. ; LIMA, I. C. C. ; BALDAN, M. R. ; TROPER, A. . Combined Effect of Impurities and Phonon Scattering in the Magnetic Transport: Diffusive Pole Approximation. Brazilian Journal of Physics , v. 26, p. 323-326, 1996.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . Metal-Insulator Transition in the Presence of Excitonic Correlation. Journal of Applied Physics , v. 79, p. 6345-6346, 1996.
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OLIVEIRA, N A de ; GOMES, A. A. ; TROPER, A. . On the Local Magnetic Properties of Isoelectronic Early n-d Impurities in Fe: Neighbour Effects. Journal of Magnetism and Magnetic Materials , v. 140-4, p. 109-110, 1995.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . Magnetic Instabilities in Kondo Insulators. Journal of Magnetism and Magnetic Materials , v. 140-4, p. 1251-1252, 1995.
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OLIVEIRA, N A de ; TROPER, A. ; GOMES, A. A. . Transition Metal Impurities in Fe: Magnetic and Hyperfine Field Properties. Phys Rev B, v. 52, p. 9137-9139, 1995.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . Excitonic Phase Transitions in Electronic Systems. J Phys Condens Matter, v. 7, p. 701-706, 1995.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . Thermoodynamic Properties of Kondo Insulators. Phys Rev B, v. 49, p. 4432-4437, 1994.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . A Two band model for Kondo Insulators: scaling and thermodynamic properties. Journal of Applied Physics , v. 75, p. 6734-6740, 1994.
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OLIVEIRA, N A de ; GOMES, A. A. ; TROPER, A. . Isoeletronic early n-d impurities in Fe: Magnetic and hyperfine Properties. Journal of Applied Physics , v. 75, p. 6296-6297, 1994.
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LEAL, C. E. ; TROPER, A. . Local Momments and Intermediate Valence of Cerium Impurities in Ferromagnetic Rare Earth Metals. Journal of Applied Physics , v. 75, p. 6737-6739, 1994.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . Scalling Approach to Heavy Fermions: Pressure Effects in CeAl3. J Appl Phys, v. 73, p. 6631-6633, 1993.
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JAPIASSU, G. M. ; CONTINENTINO, M. A. ; TROPER, A. . On the k-dependence of the Hybridization in two-band superconductors. Journal of Applied Physics , v. 73, p. 6648-6650, 1993.
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OLIVEIRA, N A de ; GOMES, A. A. ; TROPER, A. . Spin Fluctuation in (U1-x Mx) (Al1-y Coy)2 Compounds. Phys Rev B, v. 47, p. 11883-11886, 1993.
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LIMA, I. C. C. ; SILVA, A. F. ; FABBRI, M. ; TROPER, A. . Variations of the fusion rate of the deuterium molecucle in an effective medium. Modern Phys Lett B, v. 7, p. 949-952, 1993.
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OLIVEIRA, N A de ; GOMES, A. A. ; TROPER, A. . Rare Earths in UAl2: quenching of spin fluctuations?. Hyp Int, v. 80, p. 1067-1070, 1993.
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JAPIASSU, G. M. ; CONTINENTINO, M. A. ; TROPER, A. . Superconductivity in two-bands systems: Application to Transition Metals and High Tc Materials. Journal of Magnetism and Magnetic Materials , v. 104-7, p. 1945-1946, 1992.
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LIMA, I. C. C. ; REINECKE, T. L. ; TROPER, A. . Phonon Assisted Cyclotorn Resonance in Quantum Wells. Superlattices and Microstructures , v. 12, p. 331-332, 1992.
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LEAL, C. E. ; LIMA, I. C. C. ; TROPER, A. . Interference of Impuriiiiity and Phonon Scattering in the Magneto-Transport of two-Dimensional Electron Systems. Superlattices and Microstructures , v. 12, p. 313-318, 1992.
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LIMA, I. C. C. ; REINECKE, T. L. ; TROPER, A. . Cyclotron Resonance Spectroccopy of Confined Phonon Modes in Quantum Wells. World Scientific, p. 785-787, 1992.
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LEAL, C. E. ; LIMA, I. C. C. ; TROPER, A. . Cross Effect of Impurity and Phonon Scattering in the Magneto-Transport of two Dimensional Electron Systems. World Scientific, p. 799-802, 1992.
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JAPIASSU, G. M. ; CONTINENTINO, M. A. ; TROPER, A. . Mean-Field Tratment of the Hybridization Influence on Narrow-band Superconductivity. Phys Rev B, v. 45, p. 2986-2992, 1992.
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JAPIASSU, G. M. ; CONTINENTINO, M. A. ; TROPER, A. . Hybridization Effect on Superconductivity in Transition Metals. Physica. B, Condensed Matter , v. 171, p. 98-101, 1991.
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LEAL, C. E. ; TROPER, A. . Local Magnetic Moments and Intermediate Valence State of Anomalous Rare Earth Impurities in Gadolinium. J. Solid State Inorg. Chem, v. 28, p. 553-556, 1991.
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LEAL, C. E. ; LIMA, I. C. C. ; TROPER, A. . Theory of Magnetophonon Conductivity in Two Dimensional Systems. In Frontier Physics, p. 107-113, 1991.
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LEAL, C. E. ; LIMA, I. C. C. ; TROPER, A. . Electron -LO Surface Phonon Interaction in 2 DEG under Strong Magnetic Field. Physikertagung Munster, v. 55, 1991.
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LEAL, C. E. ; TROPER, A. . On The Local Magnetic Moments Of Mossabauer Impurities In Ferromagnetic Rare Earths.. Journal of Applied Physics , v. 67, n.67, p. 5876-5878, 1990.
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LIMA, I. C. C. ; TROPER, A. ; LIMA, M. ; FABBRI, A. ; SILVA, A. F. . Calculation Of Ground State Energies Of Muonic Molecules Of Hydrogen Isotopes Confined To A Two Dimensional Region.. PHYSICAL REVIEW A, v. 41, n.7, p. 4049-4051, 1990.
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LEAL, C. E. ; TROPER, A. ; LIMA, I. C. C. . Resonance Of The Magnetop honon Conductivity In Two Dimensional Systems.. PHYSICAL REVIEW B, v. 41, n.12, p. 8372-8379, 1990.
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LIMA, I. C. C. ; YING, S. C. ; TROPER, A. . Quantum Diffusion of Ad-Atoms on a Surface. Phys Rev B, v. 41, p. 11798-11801, 1990.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . Superconductivity in the Kondo Lattice: A Scalling Approach. World Scientific, p. 73-77, 1990.
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LEAL, C. E. ; TROPER, A. . Hyperfine Field Systematics Of 3d - Series Impurity Terbium.. JOURNAL OF LESS COMMON METALS, v. 149, n.2, p. 377-383, 1989.
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CONTINENTINO, M. A. ; JAPIASSU, G. M. ; TROPER, A. . A Critical Approach To The Coherence In A Kondo Lattice.. Physical Review B , v. 39, n.39, p. 9734-9737, 1989.
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MUNIZ, R. B. ; CASTRO, J. D. E. ; TROPER, A. ; GOMES, A. A. . Magnetic Susceptibilities of Actinide 3d-Metal Intermetallic Compounds. Journal of Applied Physics , v. 63, n.8, p. 3408-3410, 1988.
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LEAL, C. E. ; TROPER, A. . Hyperfine Fields And Local Moment Formation At Impurities In Gd Metal.. Química Nova , v. 11, n.1, p. 112-119, 1988.
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LEAL, C. E. ; SILVA, E. A. A. E. ; LIMA, I. C. C. ; TROPER, A. . Electron Mobility In Quasi Unidimensional Conductors: A Theoretical Study.. Physical Review B - Condensed Matter and Materials Physics , v. 38, n.25, p. 3525-3528, 1988.
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LEAL, C. E. ; SILVA, E. A. A. E. ; LIMA, I. C. C. ; TROPER, A. . Quasi Particle Energy Of 4f-States In The Rfk Model: Memory Function Formalism.. Journal de Physique. IV , v. 12, n.49, p. 699-700, 1988.
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LEAL, C. E. ; LIMA, I. C. C. ; TROPER, A. . Relaxation Time for Electrons in Quantum Wells Due to Scattering by Surface Longitudinal Accoustic Waves. World Scientific, p. 67-76, 1988.
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LIMA, I. C. C. ; LEAL, C. E. ; TROPER, A. . Transport Lifetime for Electron-Phonon Systems: Exploring the Dimensionality. World Scientific, p. 191-215, 1988.
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TROPER, A. ; LIMA, I. C. C. . Quasi-Particle Energy Of 4f-States In Rare Earth Systems: Weak Correlation Regime.. Solid State Communications , v. 61, n.3, p. 195-198, 1987.
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LEAL, C. E. ; TROPER, A. . Local Magnetization Of Noble And S-P Impurities In Gd: Period Effects.. Solid State Communications , v. 61, n.5, p. 317-326, 1987.
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EGGARTER, T. P. ; TROPER, A. . A Simple Cluster Improvement To Coherent Potential Approximation.. Physica Status Solidi. A, Applied Research , v. 140, p. 127-133, 1987.
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LEAL, C. E. ; LIMA, I. C. C. ; TROPER, A. ; SARMA, S. . Transport Relaxation Time Of A Two Dimensional Electron Gas Due To Scattering By Surface Acoustic Waves.. PHYSICAL REVIEW B, v. 35, n.8, p. 4095-4097, 1987.
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GOMES, A. A. ; TROPER, A. . Magnetism of Actinides -3d Laves Phases Intermetallics. Journal of Magnetism and Magnetic Materials , v. 63-4, p. 130-132, 1987.
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LEAL, C. E. ; TROPER, A. . Temperature Dependence of the Hyperfine Field of a Cerium Impurity in Gadolinium. Journal of Applied Physics , v. 61, p. 400-403, 1987.
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TROPER, A. ; GOMES, A. A. . Actinide 3d-Laves Phases Intermetallics: Magnetism And Eletronic Properties.. PHISICAL REVIEW B, v. 34, p. 6487-6491, 1986.
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VALADARES, E. C. ; MENEZES, O. L. T. ; TROPER, A. . Pairing Effects in Intermediate Valence Systems. Journal of Magnetism and Magnetic Materials , v. 47-48, p. 400-402, 1985.
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LEAL, C. E. ; MENEZES, O. L. T. ; TROPER, A. . Hiperfine Fields of d-transition Inpurities in Gadolinium. Physica, v. 1308, p. 443-445, 1985.
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LEAL, C. E. ; MENEZES, O. L. T. ; TROPER, A. . Hyperfine Field Systematics of 5-d Impurities in Gd. Solid State Communications , v. 53, p. 35-38, 1985.
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LEAL, C. E. ; MENEZES, O. L. T. ; TROPER, A. . Hyperfine Field Systematics of s-p Impurities in Gd. Solid State Communications , v. 50, p. 619-621, 1984.
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TROPER, A. ; MENEZES, O. L. T. . A Model for Inhomogeneous Mixed Valence f-Semiconductors. Phys Stat Sol, v. 120, p. 767-774, 1983.
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TROPER, A. ; MENEZES, O. L. T. . A New Description of the Intermediate Valence Ground State. North Holland, p. 53-57, 1982.
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TROPER, A. ; MENEZES, O. L. T. ; GOMES, A. A. . On the Valence and Lattice Parameter in Cerium Intermetallic Compounds. Solid St Comm, v. 38, p. 831-832, 1981.
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MENEZES, O. L. T. ; TROPER, A. . Valence Instability and Electron-Phonon Interaction in SmS. Solid St Comm, v. 38, p. 903-906, 1981.
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MENEZES, O. L. T. ; TROPER, A. . Instability of SmS Under Pressure. Physica. B, Condensed Matter , v. 108, n.B, p. 1345-1346, 1981.
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JAICK, L. E. ; TROPER, A. ; GOMES, A. A. . Remarks on the Ferromagnetic Solutions of the Extended Hubbard Model. Phys Stat Sol, v. 99, p. 397-407, 1980.
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TROPER, A. ; MENEZES, O. L. T. . Electron-Phonon Interaction in Mixed Valence Systems. Phys Rev B, v. 22, n.B, p. 2127-2130, 1980.
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TROPER, A. ; LEDERER, P. ; GOMES, A. A. ; BISCH, P. M. . Hiperfine Fields of Rare Earth Impurities in Transition Hosts. Journal de Physique, v. 40, n.C-5, p. 54-57, 1979.
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BROUERS, F. ; BENNERMANN, K. H. ; MENEZES, O. L. T. ; TROPER, A. ; GOMES, A. A. . On the Valence Fluctuation Phenomena in SmS Compound. Journal de Physique, v. 40, n.C-5, p. 352-355, 1979.
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TROPER, A. ; MENEZES, O. L. T. ; FANTINE, E. O. ; GUENZBURGER, D. ; GOMES, A. A. . Isomer Shifts of Rare Earth Impurities in s-p Metals. J Low Temp Phys, v. 37, p. 241-256, 1979.
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TROPER, A. ; MENEZES, O. L. T. ; GOMES, A. A. . Effective Exchange Interaction for Rare Earths in Metals. J Phys F Metal Phys, v. 9, p. 2457-2468, 1979.
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MENEZES, O. L. T. ; TROPER, A. ; LEDERER, P. ; GOMES, A. A. . Valence Fluctuations in Europium Compounds: role of charge screening. Phys Rev B, v. 17, p. 1997-2003, 1978.
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TROPER, A. ; LEDERER, P. ; GOMES, A. A. ; BISCH, P. M. . Theeoretical Study of Hiperfine Fields of Rare Earth Impurities in Transition Hosts. Phys Rev B, v. 17, p. 3501-2511, 1978.
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MENEZES, O. L. T. ; TROPER, A. ; GOMES, A. A. . Temperature Effects on the Valence Fluctuating Europium Intermetallics. Phys Rev B, v. 17, p. 4117-4120, 1978.
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TROPER, A. ; MENEZES, O. L. T. ; LEDERER, P. ; GOMES, A. A. . Self Polarization Fields of Rare Earth Impurities in s-p Hosts: A Theoretical Study. Phys Rev B, v. 18, p. 3709-3727, 1978.
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TROPER, A. ; BROUERS, F. ; GOMES, A. A. ; MENEZES, O. L. T. . On the Temperature Dependence of the Electrical Resistivity of Non-Stochioometric Actinide Compounds. Sol St Comm, v. 27, p. 931-932, 1978.
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MENEZES, O. L. T. ; TROPER, A. ; GOMES, A. A. . Role of Phonons and Coulomb Interactions in Valence Fluctuating Eeuropium Compounds. Phys Rev B, v. 18, p. 5131-5139, 1978.
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TROPER, A. ; GOMES, A. A. ; MAGALHÃES, A. N. . Remarks on Strongly Correlated Disordered CPA Alloys. Solid St Comm, v. 21, p. 281, 1977.
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BROUERS, F. ; CHAVES, C. M. ; GOMES, A. A. ; TROPER, A. . Phase Transitions in The Extended Hubbard Model. Journal de Physique, v. 38, p. 1257, 1977.
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BISCH, P. M. ; TROPER, A. ; GOMES, A. A. . Effects of Localized Perturbations on the Spin Polarization: Two Band Model. Phys Rev B, v. 13, p. 3902, 1976.
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TROPER, A. ; SILVA, X. A. ; GUIMARÃES, A. P. ; GOMES, A. A. . Magnetic Response of s-d Hybridized Systems: Microscopic and Phenomenological Approachs. J Phys F Metal Phys, v. 5, p. 160, 1975.
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TROPER, A. ; GOMES, A. A. . Effect of Potential Scattering on the Spin Disorder Resisivity. Phys Stat Sol, v. 68 (b), p. 99, 1975.
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TROPER, A. ; GOMES, A. A. . Effect of s-d Hybridization on the Spin Polarization: Doubly Degenerate d-band in Hartree-Fock. Il Nuovo Cimento della Società Italiana di Fisica. B (Testo stampato) , v. 288, p. 171, 1975.