Anisotropy in the equation of state of magnetized quark matter

Débora P. Menezes, Marcus B. Pinto, and Constança Providência
Phys. Rev. C 91, 065205 – Published 24 June 2015; Erratum Phys. Rev. C 97, 029904 (2018)

Abstract

The anisotropies in the pressure obtained from the energy-momentum tensor are studied for magnetized quark matter within the su(3) Nambu-Jona-Lasinio model for both β-equilibrium matter and quark matter with equal quark chemical potentials. The effect of the magnetic field on the particle polarization, magnetization, and quark matter constituents is discussed. It is shown that the onset of the s quark after chiral symmetry restoration of the u and d quarks gives rise to a special effect on the magnetization in the corresponding density range: A quite small magnetization just before the s onset is followed by a strong increase of this quantity as soon as the s quark sets in. It is also demonstrated that for B<1018 G within the two scenarios discussed, always considering a constant magnetic field, the two components of pressure are practically coincident.

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  • Received 7 April 2015
  • Revised 20 May 2015

DOI:https://doi.org/10.1103/PhysRevC.91.065205

©2015 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Erratum

Erratum: Anisotropy in the equation of state of magnetized quark matter [Phys. Rev. C 91, 065205 (2015)]

Débora P. Menezes, Marcus B. Pinto, and Constança Providência
Phys. Rev. C 97, 029904 (2018)

Authors & Affiliations

Débora P. Menezes1, Marcus B. Pinto1, and Constança Providência2

  • 1Departamento de Física, Universidade Federal de Santa Catarina Florianópolis, SC, CEP 88.040-900, Brazil
  • 2CFisUC, Department of Physics, University of Coimbra, P 3004-516 Coimbra, Portugal

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Issue

Vol. 91, Iss. 6 — June 2015

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