Magnetic structure of isospin-asymmetric QCD matter in neutron stars

Endrödi G (2014)
Physical Review D 90(9): 094501.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We study QCD under the influence of background magnetic fields and isospin chemical potentials using lattice simulations. This setup exhibits a sign problem which is circumvented using a Taylor expansion in the magnetic field. The ground state of the system in the pion condensation phase is found to exhibit a pronounced diamagnetic response. We elaborate on how this diamagnetism may contribute to the pressure balance in the inner core of strongly magnetized neutron stars. In addition we show that the onset of pion condensation shifts to larger chemical potentials due to the enhancement of the charged pion mass for growing magnetic fields. Finally, we summarize the magnetic nature of QCD matter on the temperature-isospin chemical potential phase diagram.
Erscheinungsjahr
2014
Zeitschriftentitel
Physical Review D
Band
90
Ausgabe
9
Art.-Nr.
094501
ISSN
1550-7998
eISSN
1550-2368
Page URI
https://pub.uni-bielefeld.de/record/2955743

Zitieren

Endrödi G. Magnetic structure of isospin-asymmetric QCD matter in neutron stars. Physical Review D. 2014;90(9): 094501.
Endrödi, G. (2014). Magnetic structure of isospin-asymmetric QCD matter in neutron stars. Physical Review D, 90(9), 094501. https://doi.org/10.1103/PhysRevD.90.094501
Endrödi, G. (2014). Magnetic structure of isospin-asymmetric QCD matter in neutron stars. Physical Review D 90:094501.
Endrödi, G., 2014. Magnetic structure of isospin-asymmetric QCD matter in neutron stars. Physical Review D, 90(9): 094501.
G. Endrödi, “Magnetic structure of isospin-asymmetric QCD matter in neutron stars”, Physical Review D, vol. 90, 2014, : 094501.
Endrödi, G.: Magnetic structure of isospin-asymmetric QCD matter in neutron stars. Physical Review D. 90, : 094501 (2014).
Endrödi, Gergely. “Magnetic structure of isospin-asymmetric QCD matter in neutron stars”. Physical Review D 90.9 (2014): 094501.

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