New class of compact stars: Pion stars

Brandt B B, Endrödi G, Fraga E S, Hippert M, Schaffner-Bielich J, Schmalzbauer S (2018)
Physical Review D 98(9): 094510.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Brandt, B. B.; Endrödi, GergelyUniBi; Fraga, E. S.; Hippert, M.; Schaffner-Bielich, J.; Schmalzbauer, S.
Abstract / Bemerkung
We investigate the viability of a new type of compact star whose main constituent is a Bose-Einstein condensate of charged pions. Several different setups are considered, where a gas of charged leptons and neutrinos is also present. The pionic equation of state is obtained from lattice QCD simulations in the presence of an isospin chemical potential and requires no modeling of the nuclear force. The gravitationally bound configurations of these systems are found by solving the Tolman-Oppenheimer-Volkoff equations. We discuss weak decays within the pion condensed phase and elaborate on the generation mechanism of such objects.
Erscheinungsjahr
2018
Zeitschriftentitel
Physical Review D
Band
98
Ausgabe
9
Art.-Nr.
094510
ISSN
2470-0010
eISSN
2470-0029
Page URI
https://pub.uni-bielefeld.de/record/2955722

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Brandt B B, Endrödi G, Fraga E S, Hippert M, Schaffner-Bielich J, Schmalzbauer S. New class of compact stars: Pion stars. Physical Review D. 2018;98(9): 094510.
Brandt, B.  B., Endrödi, G., Fraga, E.  S., Hippert, M., Schaffner-Bielich, J., & Schmalzbauer, S. (2018). New class of compact stars: Pion stars. Physical Review D, 98(9), 094510. https://doi.org/10.1103/PhysRevD.98.094510
Brandt, B.  B., Endrödi, G., Fraga, E.  S., Hippert, M., Schaffner-Bielich, J., and Schmalzbauer, S. (2018). New class of compact stars: Pion stars. Physical Review D 98:094510.
Brandt, B. B., et al., 2018. New class of compact stars: Pion stars. Physical Review D, 98(9): 094510.
B. B. Brandt, et al., “New class of compact stars: Pion stars”, Physical Review D, vol. 98, 2018, : 094510.
Brandt, B. B., Endrödi, G., Fraga, E. S., Hippert, M., Schaffner-Bielich, J., Schmalzbauer, S.: New class of compact stars: Pion stars. Physical Review D. 98, : 094510 (2018).
Brandt, B. B., Endrödi, Gergely, Fraga, E. S., Hippert, M., Schaffner-Bielich, J., and Schmalzbauer, S. “New class of compact stars: Pion stars”. Physical Review D 98.9 (2018): 094510.

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