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Anisotropy in the equation of state of strongly magnetized quark matter within the Nambu-Jona-Lasinio model

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Autor(es):
Avancini, Sidney S. ; Dexheimer, Veronica ; Farias, Ricardo L. S. ; Timoteo, Varese S.
Número total de Autores: 4
Tipo de documento: Artigo Científico
Fonte: PHYSICAL REVIEW C; v. 97, n. 3, p. 8-pg., 2018-03-26.
Resumo

In this article, we calculate the magnetization and other thermodynamical quantities for strongly magnetized quark matter within the Nambu-Jona-Lasinio model at zero temperature. We assume two scenarios: chemically equilibrated charge neutral matter present in the interiors of compact stars and zero-strangeness isospin-symmetric matter created in nuclear experiments. We show that the magnetization oscillates with density but in a much more smooth form than what was previously shown in the literature. As a consequence, we do not see the unphysical behavior in the pressure in the direction perpendicular to the magnetic field that was previously found. Finally, we also analyze the effects of a vector interaction on our results. (AU)

Processo FAPESP: 16/07061-3 - Teorias efetivas em sistemas hadrônicos de poucos e muitos corpos
Beneficiário:Varese Salvador Timoteo
Modalidade de apoio: Auxílio à Pesquisa - Regular