Coexistence of kaon condensation and hyperons in hadronic matter and its relevance to quark matter

Muto, Takumi*; Maruyama, Toshiki ; Tatsumi, Toshitaka*

Coexistence of kaon condensation and hyperons, which may be realized in neutron stars, is investigated on the basis of the relativistic mean-field theory combined with the effective chiral Lagrangian. It is shown that kaon-condensed phase in hyperon-mixed matter is plausible, but it leads to significant softening of the equation of state (EOS). We discuss indispensable effects which make the EOS stiffer so as to be consistent with recent neutron-star observations.

Language	:	English
Journal	:	Acta Astronomica Sinica
Volume	:	56
Number	:	Suppl.
Pages	:	p.43 - 45
Publication Year/Month	:	2015/11
Meeting title	:	Quarks and Compact Stars 2014 (QCS 2014)
Held date	:	2014/10
Location (city)	:	Beijing
Location (country)	:	China
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Registration No. : BB20153144
JAEA Abstracts No. : 44000920
Paper Submission No. : 17608

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