Finite-size,chemical-potential and magnetic effects on the phase transition in a four-fermion interacting model |
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| Authors: | E. B. S. Corrêa C. A. Linhares A. P. C. Malbouisson J. M. C. Malbouisson A. E. Santana |
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| Affiliation: | 1.Instituto de Ciências Exatas,Universidade Federal do Sul e Sudeste do Pará,Marabá,Brazil;2.Instituto de Física,Universidade do Estado do Rio de Janeiro,Rio de Janeiro,Brazil;3.Centro Brasileiro de Pesquisas Físicas-CBPF/MCTI,Rio de Janeiro,Brazil;4.Instituto de Física,Universidade Federal da Bahia,Salvador,Brazil;5.Instituto de Física,Universidade de Brasília,Brasília,Brazil |
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| Abstract: | We study effects coming from finite size, chemical potential and from a magnetic background on a massive version of a four-fermion interacting model. This is performed in four dimensions as an application of recent developments for dealing with field theories defined on toroidal spaces. We study effects of the magnetic field and chemical potential on the size-dependent phase structure of the model, in particular, how the applied magnetic field affects the size-dependent critical temperature. A connection with some aspects of the hadronic phase transition is established. |
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