Zobrazeno 1 - 7
of 7
pro vyhledávání: '"I. C. Charret"'
Publikováno v:
Physica A: Statistical Mechanics and its Applications. 270:462-485
We explore the properties of the non-commutative Grassmann algebra to study the unidimensional Generalized Hubbard model, obtaining the analytical expressions for the first three terms in the high temperature expansion of its grand canonical partitio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b3b90228bb2a435ceefcaa6c2e528b7
https://doi.org/10.1016/s0378-4371(99)00157-0
https://doi.org/10.1016/s0378-4371(99)00157-0
Autor:
I. C. Charret, C. E. I. Carneiro, M.T. Thomaz, O. Rojas Santos, S. M. de Souza, E. V. Corrêa Silva
Publikováno v:
Physica A: Statistical Mechanics and its Applications. 264:204-221
We explore the properties of the non-commutative Grassmann algebra to obtain the high-temperature expansion of the grand canonical partition function for self-interacting fermionic systems. As an application, we consider the anharmonic fermionic osci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::118961c7a965553bef91ae781f7825d3
https://doi.org/10.1016/s0378-4371(98)00398-7
https://doi.org/10.1016/s0378-4371(98)00398-7
Multivariable Grassmann integrals and the high temperature expansion of interacting fermionic models
Publikováno v:
Journal of Mathematical Physics. 36:4100-4105
Using the noncommuting nature of fermionic fields we obtain a nonperturbative method to calculate the high temperature limit of the grand canonical partition function of interacting fermionic models. This nonperturbative approach is applied to the Hu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b63c58b4d4002632f24c1e68782ec49
https://doi.org/10.1063/1.530948
https://doi.org/10.1063/1.530948
Autor:
G. M. Sigaud, D. Abriola, G. Duchene, M. di Tada, A. O. Macchiavelli, O. A. Capurro, A. J. Pacheco, A.M.J. Ferrero, D. E. DiGregorio, R. Wanis, Salvador Gil, I. C. Charret, J. E. Testoni, J. O. Fernández Niello, Vito R. Vanin, R. Liguori Neto, A. Etchegoyen, P. R. S. Gomes, M. Elgue
Publikováno v:
Physical Review C. 49:245-249
Fusion-evaporation cross sections for the $^{32}\mathrm{S}$${+}^{154}$Sm system at bombarding energies near the Coulomb barrier have been measured by off-line observation of the K x rays emitted in the radioactive decay of the residual nuclei. The to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86714969a271f1debf2a419a9a998a24
https://doi.org/10.1103/physrevc.49.245
https://doi.org/10.1103/physrevc.49.245
Autor:
I. C. Charret, M. V. Carneiro
Publikováno v:
Physical review. E, Statistical, nonlinear, and soft matter physics. 76(6 Pt 1)
We present studies for an individual based model of three interacting populations whose individuals are mobile in a 2D-lattice. We focus on the pattern formation in the spatial distributions of the populations. Also relevant is the relationship betwe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5cb9f0b2359a9478a68767253531ef5
https://pubmed.ncbi.nlm.nih.gov/18233864
https://pubmed.ncbi.nlm.nih.gov/18233864
Classical models for competition between two species usually predict exclusion or divergent evolution of resource exploitation. However, recent experimental data show that coexistence is possible for very similar species competing for the same resour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1863286fc12e27f346e089bb7fbadd67
http://arxiv.org/abs/q-bio/0611025
http://arxiv.org/abs/q-bio/0611025
For any d-dimensional self-interacting fermionic model, all coefficients in the high-temperature expansion of its grand canonical partition function can be put in terms of multivariable Grassmann integrals. A new approach to calculate such coefficien
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75b22195455183e9d22e959a09c8776c