ムトウ　タクミ   Takumi Muto   武藤　巧    所属   千葉工業大学  情報変革科学部 教育センター（情報変革科学部）    職種   教授
言語種別	英語
発行・発表の年月	2025/02/10
形態種別	学術雑誌
査読	査読あり
標題	Chiral Symmetry in Dense Matter with Meson Condensation
執筆形態	共著
掲載誌名	Symmetry (Special Issue Chiral Symmetry, and Restoration in Nuclear Dense Matter)
掲載区分	国外
出版社・発行元	MDPI
巻・号・頁	17(2),pp.270-293
総ページ数	24
担当区分	筆頭著者
著者・共著者	Takumi Muto, Toshiki Maruyama, Toshitaka Tatsumi
概要	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 the use of the effective chiral Lagrangian for kaon–baryon and kaon–kaon interactions; coupled with the relativistic mean field theory and universal three-baryon repulsive interaction, we clarify the effects of the s-wave kaon–baryon scalar interaction simulated by the kaon–baryon sigma terms and vector interaction (Tomozawa–Weinberg term) on kaon properties in hyperon-mixed matter, the onset density of kaon condensation, and the equation of state 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.