Publications

  1. P. Sarvezuk, C. Paulsen, J. da Cunha, M. A. Gusmão, and O. Isnard, “Magnetic properties of quasi-one-dimensional Ising-chain compounds FexCo1-xNb2O6 at very low temperatures”, Solid State Communications, (2023)    
  2. J. Peña, M. A. Gusmão, and O. Isnard, “Quasi-one-dimensional magnetic properties of NiNb2-xVxO6 compounds synthesized at high pressure in a nonstandard columbite-type structure”, Phys. Rev. B, 103, 094409 (2021)    
  3. F. Mesquita, G. Copetti, M. Tumelero, M. Gusmão, C. Radtke, and P. Pureur, “Electrical magnetotransport properties of chlorinated CVD graphene”, Physica B: Condensed Matter, 609, 412893 (2021)    
  4. R. C. Juliano, E. G. Santos, and M. A. Gusmão, “Thermodynamic signatures of geometrical frustration in clusters”, Journal of Physics: Condensed Matter, 32, 075602 (2020)    
  5. D. W. S. Carvalho, A. Foerster, and M. A. Gusmão, “Coupled dynamics of interacting spin-1 bosons in a double-well potential”, Phys. Rev. A, 97, 033615 (2018)    
  6. M. L. Hneda, S. R. O. Neto, J. B. M. da Cunha, M. G. ao, and O. Isnard, “Quasi-one-dimensional magnetism in MnxFe1-xNb2O6 compounds: From Heisenberg to Ising chains”, Journal of Magnetism and Magnetic Materials, 456, 142 (2018)    
  7. R. F. de Jesus, A. M. Turatti, B. C. Camargo, R. R. da Silva, Y. Kopelevich, M. Behar, N. M. Balzaretti, M. A. Gusmão, and P. Pureur, “Electronic Transport and Raman Spectroscopy Characterization in Ion-Implanted Highly Oriented Pyrolytic Graphite”, Journal of Low Temperature Physics, 190, 141 (2018)    
  8. M. L. Hneda, J. B. M. da Cunha, M. A. Gusmão, S. R. O. Neto, J. Rodríguez-Carvajal, and O. Isnard, “Low-dimensional magnetic properties of orthorhombic MnV2O6. A nonstandard structure stabilized at high pressure”, Phys. Rev. B, 95, 024419 (2017)    
  9. R. F. de Jesus, B. C. Camargo, R. R. da Silva, Y. Kopelevich, M. Behar, M. A. Gusmão, and P. Pureur, “Magneto-transport properties of As-implanted highly oriented pyrolytic graphite”, Physica B: Condensed Matter, 500, 118 (2016)    
  10. J. C. C. Cestari, A. Foerster, and M. A. Gusmão, “Fate of topological states in incommensurate generalized Aubry-André models”, Phys. Rev. B, 93, 205441 (2016)    
  11. M. L. Hneda, J. B. M. da Cunha, M. A. C. Gusmão, and O. Isnard, “Low dimensional magnetism in MnNb2-xVxO6”, Materials Research Bulletin, 74, 169 (2016)    
  12. D. W. S. Carvalho, A. Foerster, and M. A. Gusmão, “Ground states of spin-1 bosons in asymmetric double wells”, Phys. Rev. A, 91, 033608 (2015)    
  13. R. D. B. Carvalho and M. A. Gusmão, “Band-filling and disorder effects in the ordered phase of the Falicov-Kimball model”, Phys. Rev. B, 90, 085108 (2014)    
  14. R. D. B. Carvalho and M. A. Gusmão, “Effects of band filling in the Anderson-Falicov-Kimball model”, Phys. Rev. B, 87, 085122 (2013)    
  15. P. W. C. Sarvezuk, M. A. Gusmão, J. B. M. da Cunha, and O. Isnard, “Magnetic behavior of the NixFe1-xNb2O6 quasi-one-dimensional system: Isolation of Ising chains by frustration”, Phys. Rev. B, 86, 054435 (2012)    
  16. S. R. de Oliveira Neto, E. J. Kinast, M. A. Gusmão, C. A. dos Santos, O. Isnard, and J. B. M. da Cunha, “Study of the quasi two-dimensional CoxNi1-x Ta2O6 compounds by X-ray diffraction and magnetic susceptibility measurements”, Journal of Magnetism and Magnetic Materials, 324, 3245 (2012)    
  17. E. G. Santos, J. B. M. da Cunha, O. Isnard, C. Lacroix, and M. A. Gusmão, “Importance of interplane coupling on the magnetic phases of quasi-two-dimensional tantalites”, J. Phys.: Condens. Matter, 24, 256005 (2012)    
  18. J. C. C. Cestari, A. Foerster, M. A. Gusmão, and M. Continentino, “Critical exponents of the disorder-driven superfluid-insulator transition in one-dimensional Bose-Einstein condensates”, Phys. Rev. A, 84, 055601 (2011)    
  19. P. W. C. Sarvezuk, E. J. Kinast, C. V. Colin, M. A. Gusmão, J. B. M. da Cunha, and O. Isnard, “New investigation of the magnetic structure of CoNb2O6 columbite”, Journal of Applied Physics, 109, 07E160 (2011)    
  20. P. W. C. Sarvezuk, E. J. Kinast, C. V. Colin, M. A. Gusmão, J. B. M. da Cunha, and O. Isnard, “Suppression of magnetic ordering in quasi-one-dimensional FexCo1-xNb2O6 compounds”, Phys. Rev. B, 83, 174412 (2011)    
  21. J. C. C. Cestari, A. Foerster, and M. A. Gusmão, “Finite-size effects in Anderson localization of one-dimensional Bose-Einstein condensates”, Phys. Rev. A, 82, 063634 (2010)    
  22. E. G. Santos, S. R. de Oliveira Neto, E. J. Kinast, J. B. M. da Cunha, O. Isnard, and M. A. Gusmão, “Magnetic phases of the quasi-two-dimensional compounds FexCo1-xTa2O6”, J. Phys.: Condens. Matter, 22, 496004 (2010)    
  23. E. G. Santos, J. R. Iglesias, C. Lacroix, and M. A. Gusmão, “A two-band model for superconductivity in the checkerboard lattice”, J. Phys.: Condens. Matter, 22, 215701 (2010)    
  24. E. J. Kinast, C. A. dos Santos, D. Schmitt, O. Isnard, M. A. Gusmão, and J. B. M. da Cunha, “Magnetic structure of the quasi-two-dimensional compound CoTa2O6”, J. Alloys Compd., 491, 41 (2010)    
  25. M. A. Gusmão, “Phase diagram of the Anderson-Falicov-Kimball model at half filling”, Phys. Rev. B, 77, 245116 (2008)    
  26. S. R. O. Neto, E. J. Kinast, O. Isnard, M. A. Gusmão, C. A. dos Santos, and J. B. M. da Cunha, “Multi-magnetic phases in Fe1-xNixTa2O6”, J. Magn. Magn. Mat., 320, E125 (2008)    
  27. S. R. de Oliveira Neto, E. J. Kinast, M. A. Gusmão, C. A. dos Santos, O. Isnard, and J. B. M. da Cunha, “X-ray diffraction and magnetic susceptibility measurements for FexNi1-xTa2O6”, J. Phys.: Condens. Matter, 19, 356210 (2007)    
  28. A. Beatrici and M. A. Gusmão, “Dynamical mean field theory study of a simplified model for CuO2 planes”, J. Phys.: Condens. Matter, 17, 8079 (2005)    
  29. A. A. Aligia and M. A. Gusmão, “Magnetic and orbital ordering of RuO2 planes in RuSr2(Eu,Gd)Cu2O8”, Phys. Rev. B, 70, 054403 (2004)    
  30. B. Coqblin, C. Lacroix, M. A. Gusmão, and J. R. Iglesias, “Band-filling effects on Kondo-lattice properties”, Phys. Rev. B, 67, 064417 (2003)    
  31. E. J. Kinast, V. Antonietti, D. Schmitt, O. Isnard, J. B. M. da Cunha, M. A. Gusmão, and C. A. dos Santos, “Bicriticality in FexCo1-xTa2O6”, Phys. Rev. Lett., 91, 197208 (2003)    
  32. M. A. Gusmão, L. Ghivelder, R. S. Freitas, R. A. Ribeiro, O. F. de Lima, F. Damay, and L. F. Cohen, “Disorder effects at low temperatures in La0.7-xYxCa0.3MnO3 manganites”, Sol. St. Comm., 127, 683 (2003)    
  33. B. Coqblin, M. A. Gusmão, J. R. Iglesias, A. Theumann, C. Lacroix, S. G. Magalhães, and A. A. Schmidt, “The Kondo-lattice model and the Kondo-spin glass competition in heavy-fermion systems”, Acta Physica Polonica B, 34, 1273 (2003)  
  34. C. I. Ventura and M. A. Gusmão, “Generic model of the colossal magnetoresistance pyrochlore Tl2Mn2O7”, Phys. Rev. B, 65, 014422 (2002)    
  35. M. A. S. Boff, J. Geshev, J. E. Schmidt, W. H. Flores, A. B. Antunes, M. A. Gusmão, and S. R. Teixeira, “Bias dependence of magnetoresistance in Fe–Al2O3 granular thin films”, J. Appl. Phys., 91, 9909 (2002)    
  36. B. Coqblin, M. A. Gusmão, J. R. Iglesias, A. R. Ruppenthal, and C. Lacroix, “Competition between magnetic order and Kondo effect in cerium compounds”, J. Magn. Magn. Mat., 226, 115 (2001)    
  37. L. Ghivelder, R. S. Freitas, R. E. Rapp, F. A. B. Chaves, M. Gospodinov, and M. A. Gusmão, “Low-temperature specific heat of La0.78Pb0.22MnO3-δ manganite”, J. Magn. Magn. Mat., 226, 845 (2001)    
  38. R. M. Costa, P. Pureur, M. Gusmão, S. Senoussi, and K. Behnia, “Fluctuation magnetoconductivity in YBa2Cu3O7: Gaussian, three-dimensional XY, beyond three-dimensional XY, and lowest-Landau-level scaling”, Phys. Rev. B, 6421, 214513 (2001)    
  39. B. Coqblin, M. A. Gusmão, J. R. Iglesias, C. Lacroix, A. Ruppenthal, and A. S. D. Simões, “Effect of conduction band filling on the competition Kondo-magnetism in the Kondo lattice”, Physica B, 281, 50 (2000)    
  40. A. R. Ruppenthal, J. R. Iglesias, and M. A. Gusmão, “Effect of band filling in the Kondo lattice: A mean-field approach”, Phys. Rev. B, 60, 7321 (1999)    
  41. M. Acquarone, J. R. Iglesias, M. A. Gusmão, C. Noce, and A. Romano, “Electronic and phononic states of the Holstein-Hubbard dimer of variable length: A variational approach”, J. Superconductivity, 12, 229 (1999)    
  42. A. Ruppenthal, J. R. Iglesias, and M. A. Gusmão, “Mean-field solution of the Kondo lattice away from half-filling”, Physica B, 261, 181 (1999)    
  43. R. M. Costa, P. Pureur, M. Gusmão, S. Senoussi, and K. Behnia, “Scaling beyond 3D XY in the fluctuation conductivity of YBa2Cu3O7-δ”, Sol. St. Comm., 113, 23 (1999)    
  44. L. Ghivelder, I. A. Castillo, M. A. Gusmão, J. A. Alonso, and L. F. Cohen, “Specific heat and magnetic order in LaMnO3+δ”, Phys. Rev. B, 60, 12184 (1999)    
  45. J. Y. Fortin, J. Bellissard, M. Gusmão, and T. Ziman, “de Haas-van Alphen oscillations and magnetic breakdown: Semiclassical calculation of multiband orbits”, Phys. Rev. B, 57, 1484 (1998)    
  46. M. Acquarone, J. R. Iglesias, M. A. Gusmão, C. Noce, and A. Romano, “Electronic and phononic states of the Holstein-Hubbard dimer of variable length”, Phys. Rev. B, 58, 7626 (1998)    
  47. J. R. Iglesias, M. A. Gusmão, M. Acquarone, A. Romano, and C. Noce, “Model calculation of the interaction terms and ground states of the extended Hubbard model on a dimer”, Physica B, 230, 1047 (1997)    
  48. M. Acquarone, J. R. Iglesias, M. A. Gusmão, C. Noce, and A. Romano, “The Holstein-Hubbard dimer of variable length as the building block of the CuO plane: Electronic and phononic transitions”, J. Superconductivity, 10, 305 (1997)    
  49. R. Consiglio and M. A. Gusmão, “Simplified periodic Anderson model: Exact solution in infinite dimensions”, Phys. Rev. B, 55, 6825 (1997)    
  50. M. Acquarone, J. R. Iglesias, M. A. Gusmão, C. Noce, and A. Romano, “Electronic and phononic transitions in the two-site Holstein model”, Nuovo Cimento D, 19, 1345 (1997)  
  51. M. Gusmão and T. Ziman, “Spin-density-wave instabilities for imperfectly nested Fermi surfaces: Application to BEDT-TTF salts”, Phys. Rev. B, 54, 16663 (1996)    
  52. L. Craco and M. A. Gusmão, “Tight-binding treatment of the Hubbard model in infinite dimensions”, Phys. Rev. B, 54, 1629 (1996)    
  53. L. Craco and M. A. Gusmão, “From the atomic limit to a metal-insulator transition in the Hubbard model”, Phys. Rev. B, 52, 17135 (1995)    
  54. J. R. Iglesias, B. H. Bernhard, and M. A. Gusmão, “A local approach to the magnetism of high-Tc superconductors”, Physica B, 206/207, 678 (1995)  
  55. A. Beatrici and M. A. Gusmão, “Nature of the insulating state in the 3-band Hubbard-model - A tight-binding approach”, Phys. Rev. B, 51, 7508 (1995)    
  56. B. H. Bernhard, M. A. C. Gusmão, and J. R. Iglesias, “Approximate treatment of the 3-band Hubbard-model”, Physica B, 199, 313 (1994)    
  57. L. G. Brunet, M. A. Gusmão, and J. R. Iglesias, “Magnetic susceptibility and specific heat of the Anderson lattice: Perturbative expansion around the atomic limit”, Phys. Rev. B, 46, 4520 (1992)    
  58. L. G. Brunet, M. A. Gusmão, and J. R. Iglesias, “Local approach to the magnetic susceptibility and specific heat of the Anderson lattice”, J. Magn. Magn. Mat., 108, 147 (1992)    
  59. L. G. Brunet, M. A. Gusmão, R. M. Ribeiro-Teixeira, and J. R. Iglesias, “Finite temperature static susceptibility of the Anderson lattice”, Physica B, 171, 289 (1991)    
  60. P. Pureur, J. Schaf, M. A. Gusmão, and J. V. Kunzler, “Resistive transition and fluctuations of the conductivity in YBa2Cu3O7, EuBa2Cu3O7 and GdBa2Cu3O7 superconductors: Effect of inhomogeneities”, Physica C, 176, 357 (1991)    
  61. M. A. Gusmão and P. M. Mors, “Fluctuation conductivity of inhomogeneous superconductors: A fractal aggregation model”, Phys. Rev. B, 42, 10030 (1990)    
  62. L. G. Brunnet, J. R. Iglesias, R. Ribeiro-Teixeira, A. D. Simões, M. A. Gusmão, and B. Coqblin, “Dynamical and static susceptibility of anomalous rare-earth systems”, J. Magn. Magn. Mat., 76, 396 (1988)    
  63. M. A. Gusmão, “Simple approximation for the Bethe-ansatz solution of the one-dimensional Fermi gas”, Phys. Rev. B, 35, 1682 (1987)    
  64. M. A. Gusmão, “Phase transitions in asymmetric Potts models: Breakdown of the classical mean-field picture”, Phys. Rev. B, 36, 779 (1987)    
  65. M. C. Barbosa, M. A. Gusmão, and W. K. Theumann, “Renormalization and phase transitions in Potts ϕ3-field theory with quadratic and trilinear symmetry breaking”, Phys. Rev. B, 34, 3165 (1986)    
  66. W. K. Theumann and M. A. Gusmão, “Critical exponents for ϕ3-field models with long-range interactions”, Phys. Rev. B, 31, 379 (1985)    
  67. W. K. Theumann and M. A. Gusmão, “Crossover exponents for the Potts model with quadratic symmetry breaking”, Phys. Rev. B, 30, 2800 (1984)    
  68. M. A. Gusmão and W. K. Theumann, “Validity of the long-range expansion in the n-vector model”, Phys. Rev. B, 28, 6545 (1983)    
  69. M. A. Gusmão, “Critical exponents of a Heisenberg ferromagnet in the Reaction Field Approximation”, J. Phys. C, 13 (1980)    
  70. M. A. Gusmão and C. Scherer, “Reaction Field Approximation for the ordered phase of Heisenberg systems”, phys. stat. sol. (b), 92, 595 (1979)