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Quark matter under strong magnetic fields in the Nambu–Jona-Lasinio model
Open accessAbstract
In the present work we use the large-${N}_{c}$ approximation to investigate quark matter described by the SU(2) Nambu--Jona-Lasinio model subject to a strong magnetic field. The Landau levels are filled in such a way that usual kinks appear in the effective mass and other related quantities. $\ensuremath{\beta}$ equilibrium is also considered and the macroscopic properties of a magnetar described by this quark matter is obtained. Our study shows that the magnetar masses and radii are larger if the magnetic field increases but only very large fields ($\ensuremath{\geqslant}{10}^{18}$ G) affect the equation of state in a non-negligible way.
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Cites
On gauge invariance and vacuum polarization
Schwinger, J. (1951) · Physical Review · doi:10.1103/physrev.82.664 · Cited by 7,116
Witten, E. (1984) · Physical Review D · doi:10.1103/physrevd.30.272 · Cited by 3,452
Chodos, A., Jaffe, R. L., Johnson, K., Thorn, C. B., & Weisskopf, V. F. (1974) · Physical Review D · doi:10.1103/physrevd.9.3471 · Cited by 2,670
Bodmer, A. R. (1971) · Physical Review D · doi:10.1103/physrevd.4.1601 · Cited by 1,111
Le Bellac, M. (1996) · doi:10.1017/cbo9780511721700 · Cited by 897
Cited by
Equation of state of a dense and magnetized fermion system
Ferrer, E. J., de la Incera, V., Keith, J. P., Portillo, I., & Springsteen, P. L. (2010) · Physical Review C · doi:10.1103/physrevc.82.065802 · Cited by 314
Metadata
- Authors
- Menezes, D. P., Pinto, M. B., Avancini, S. S., Martínez, A. P., & Providência, C.
- Venue
- Physical Review C
- Publisher
- American Physical Society (APS)
- Published
- 2009-03-27
- Volume
- 79
- Issue
- 3
- ISSN
- 0556-2813 (ISSN-L)
- 1089-490X
- OpenAlex
- W4239030260
- Cited by
- 263
- References
- 5
- FWCI
- 6.85
- Type
- journal article
- Language
- en
- Open access
- green
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- Menezes, D. P., Pinto, M. B., Avancini, S. S., Martínez, A. P., & Providência, C. (2009). Quark matter under strong magnetic fields in the Nambu–Jona-Lasinio model. Physical Review C. https://doi.org/10.1103/physrevc.79.035807
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