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- Title
Antikaon condensation in magnetized neutron stars.
- Authors
Kumari, Manisha; Kumar, Arvind
- Abstract
This study investigates the possibility of antikaon condensation in strongly magnetized neutron stars (NSs) with β -equilibrium condition using chiral SU(3) model and chiral perturbation theory (ChPT). We explore the effect of finite strong magnetic field on particle fraction, effective masses of kaon/antikaon, and equation of state (EoS). The longitudinal EoS gets softened; whereas in transverse EoS, stiffness is observed as the magnetic field strength increases. The presence of antikaon condensation causes softness in both the longitudinal and transverse EoS. Finally, we investigate the structure of NSs through the mass–radius relation, tidal deformability, and Love number and present possible comparison with recent work in the field. The presence of antikaon condensed phase decreases the mass of NSs corresponding to both EoS (longitudinal and transverse). For longitudinal pressure, the mass–radius shows decrement with increase in magnetic field strength; whereas transverse pressure causes an increment.
- Subjects
MAGNETIC flux density; CHIRAL perturbation theory; CONDENSATION; CONDENSED matter; MAGNETIC particles
- Publication
International Journal of Modern Physics E: Nuclear Physics, 2022, Vol 31, Issue 5, p1
- ISSN
0218-3013
- Publication type
Article
- DOI
10.1142/S0218301322500501