2013

.M.T. Thomaz and Onofre Rojas, “The high-temperature expansion of the classical Ising model with S_z²   term”, Condensed Matter Physics vol. 15  (2012) 13706: 1–10.

2011

.M.T. Thomaz, Onofre Rojas and  E.V. Corrêa Silva, “The specific heat and the magnetization of the  Fe₄ and the Fe₈ SMMs”, Physica A vol.  390  (2011) 619-630.

.M.T. Thomaz, Onofre Rojas and  E.V. Corrêa Silva, “Qualitative comparison of the thermodynamics of the Mn₁₂-ac  and the Fe₈ molecule magnets for Dß ~ 0.031″,  Modern Physics Letters B vol 25, (2011)  1281- 1291.

.V. Corrêa Silva, S.M. de Souza and M.T. Thomaz, “The ß-expansion of periodic dressed  chain models”,  Physica A390 (2011) 3108-3119.

2009

.Onofre Rojas, M.T. Thomaz, E.V. Corrêa Silva and S.M. de Souza, “Thermodynamics of the Mn₁₂-ac  molecule in a  skew magnetic field at  T>21K”,  Journal of Physics: Condensed Matter vol.21 (2009) 026012 (8pp).

2008

.E.V. Corrêa Silva, S.M. de Souza, Onofre Rojas, James E.F. Skea and M.T. Thomaz, “The spin-1/2 Ising model with skew magnetic field at high temperatures”, Brazilian Journal of Physics vol. 38 (2008) 123-130.

.E.V. Corrêa Silva, James E.F. Skea, Onofre Rojas, S.M. de Souza and M.T. Thomaz, “Thermodynamics of the quantum and classical Ising model with skew magnetic field”, Physica A vol. 387 (2008) 5117-5126.

2007

. E.V. Corrêa Silva, Onofre Rojas, James E.F. Skea, S.M. de Souza and M.T. Thomaz, “The high temperature expansion of the classical XYZ chain”, Physica A vol. 375 (2007) 185-198.

2005

.Onofre Rojas, E.V. Corrêa Silva, S.M. de Souza and M.T. Thomaz, “Thermodynamics of the S=1 spin ladder as a composite S=2 chain model”, Physica A vol. 356 (2005) 575-588.

.Onofre Rojas, S.M. de Souza, E.V. Corrêa Silva and M.T. Thomaz, “Thermodynamics of the quantum spin-S XXZ chain”, The European Physical Journal- Condensed Matter and Complex Systems B vol. 46 (2005) 385-398; Erratum: The European Physical Journal- Condensed Matter and Complex Systems B vol. 47 (2005) 165.

.Onofre Rojas, S.M. de Souza, E.V. Corrêa Silva and M.T. Thomaz, “High-temperature series expansion of the Helmholtz free energy of the quantum spin-XYZ chain”, Physical Review B vol. 72 (2005) 172414 (1-4).

2004

.Onofre Rojas, E.V. Corrêa Silva, S.M. de Souza and M.T. Thomaz, “The high temperature expansion of the tetrahedral spin-1/2 and spin-2 XXZ models”, Physical Review B vol. 69 (2004) 134405 (1-8).

.M. Moutinho, E.V. Corrêa Silva and M.T. Thomaz, “The grand potential of the one-dimensional extended Hubbard model up to order (ß)⁵, Physica A vol. 336 (2004) 477-490.

Previous years

.Winder A. Moura-Melo, Onofre Rojas, E.V. Corrêa Silva, S.M. de Souza and M.T. Thomaz, “Remarks on the Convergence of the ß-expansion of s= 1/2 and s=1 Ising Models”, Physica A vol. 322 (2003) 393-406.

.Onofre Rojas, E.V. Corrêa Silva, Winder A. Moura-Melo, S.M. de Souza and M.T. Thomaz, “Analytical Results for the High Temperature Expansion of the One-Dimensional s=1 XXZ Model”, Physical Review B vol. 67 (2003) 115128(1-8).

.Onofre Rojas, S.M. de Souza, E.V. Corrêa Silva and M.T. Thomaz, “The Thermodynamics of the Anisotropic Spin-S Chain in the High Temperature Region”, Journal of Physics: Condensed Matter vol. 15 (2003) 8527-8541.

.Onofre Rojas, S.M. de Souza and M.T. Thomaz, “High Temperature Expansion for a Chain Model”, Journal of Mathematical Physics vol. 43 (2002) 1390-1407.

.I.C. Charret, E.V. Corrêa Silva, S.M. de Souza, O. Rojas Santos, M.T. Thomaz and A.T. Costa Jr., “Analytical Results of the One-Dimensional Hubbard Model in the High Temperature Limit”, Physical Review B vol. 64 (2001) 195127.

.Onofre Rojas, S. M. de Souza, E. V. Corrêa Silva and M. T. Thomaz, “Thermodynamics of the Limiting Cases of the XXZ Model Without Bethe Ansatz”, Brazilian Journal of Physics vol. 31 (2001) 577-582.

.C.E.I. Carneiro e M.T. Thomaz, “A Álgebra dos Férmions, Revista Brasileira de Ensino de Física vol. 22 (2000) 474-488.

.I.C. Charret, E.V. Corrêa Silva, S.M. de Souza, O. Rojas Santos, M.T. Thomaz and C.E.I. Carneiro,” Application of Non-Commutative Algebra to Soluble Fermionic Model”, Physica A vol. 264 (1999) 204-221.

.I.C. Charret, E.V. Corrêa Silva, O. Rojas Santos, S.M. de Souza and M.T. Thomaz, “Unidimensional Generalized Hubbard Model in the High Temperature Limit”, Physica A vol. 270 (1999) 462-485.

.I.C. Charret, E.V. Corrêa Silva, S.M. de Souza, O. Rojas Santos and M.T. Thomaz, “Grassmann Algebra and Fermions at Finite Temperature”, Journal of Mathematical Physics vol. 40 (1999) 4944-4955.

.S.M. de Souza, O. Rojas Santos and M.T. Thomaz, “Functional Apoperacaophph without Path Integral to Finite Temperature Free Fermions”, Brazilian Journal of Physics vol. 29 (1999) 564-573.

.I.C. Charret, S.M. de Souza and M.T. Thomaz, “A Note on Moments of Gaussian Grassmann Multivariable Integrals”, Brazilian Journal of Physics vol. 26 (1996) 720-724.

.I.C. Charret, E.V. Corrêa Silva, S.M. de Souza and M.T. Thomaz, “Multivariable Grassmann Integrals and the High Temperature Expansion of the Hubbard Model in d=2(1+1)”, Journal of Mathematical Physics vol. 36 (1995) 4100-4105.

.S. M. de Souza, S. Moss de Oliveira and M. T. Thomaz, “Thermodynamic Properties of an Anharmonic Fermionic Oscillator”, American Journal of Physics vol. 60 (1992), 1122- 1126.

.S. M. de Souza and M. T. Thomaz, “Grassmann Algebra and Fermion in the Lattice: A Simple Example”, Journal of Mathematical Physics vol. 32 (1991), 3455- 3462.