Work

Chiral Symmetry in Dense Matter with Meson Condensation

Year: 2025

Type: article

Abstract: Kaon condensation in hyperon-mixed matter [(Y+K) phase], which may be realized in neutron stars, is discussed on the basis of chiral symmetry. With use of the effective chiral Lagrangian for kaon (K)-baryon (B) and K-K interactions, coupled with the relativistic mean-field theory and universal three-baryon repulsive interaction, we clarify the effects of the s-wave K-B scalar interaction simulated by the K-B sigma terms and vector interaction (Tomozawa-Weinberg term) on kaon properties in hyperon-mixed matter, onset density of kaon condensation, and the EOS with the (Y+K) phase. In particular, the quark condensates in the (Y+K) phase are obtained, and their relevance to chiral symmetry restoration is discussed.

Source: Symmetry

DOI: 10.3390/sym17020270

Authors: Takumi Muto, Toshiki Maruyama, Toshitaka Tatsumi

Institutions: Chiba Institute of Technology, Japan Atomic Energy Agency, Advanced Science Research Center

Language: English

Topic: Quantum Chromodynamics and Particle Interactions

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,896

OpenAlex ID: W4407335356

FWCI: 0.945

Cites: 86

Cited by: 2

Related to: 10