Phase diagram at finite temperature and quark density in the strong coupling limit of lattice QCD for color SU(3)

Kawamoto, N.; Miura, K.; Ohnishi, A.; Ohnuma, T.

Phase diagram at finite temperature and quark density in the strong coupling limit of lattice QCD for color SU(3)

Kawamoto, N.; Miura, K.; Ohnishi, A. et al.

Physical Review D, 2007, 75(1), 014502

Permalink : https://hdl.handle.net/2115/18873

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アクセス権	open access
URI	https://hdl.handle.net/2115/18873
タイトル	Phase diagram at finite temperature and quark density in the strong coupling limit of lattice QCD for color SU(3)
著者	Kawamoto, N. ; Miura, K. ; Ohnishi, A. ; Ohnuma, T.
e-Rad_Researcher 50169778 著者名 Kawamoto, N.
著者名 Miura, K.
著者名 Ohnishi, A.
著者名 Ohnuma, T.
言語	英語
発行日	2007-01
出版者	American Physical Society
収録物名	Physical Review D
巻(号)	75(1)
ページ	014502
抄録	We study the phase diagram of quark matter at finite temperature (T) and chemical potential (µ) in the strong coupling limit of lattice QCD for color SU(3). We derive an analytical expression of the effective free energy as a function of T and µ, including baryon effects. The finite temperature effects are evaluated by integrating over the temporal link variable exactly in the Polyakov gauge with an antiperiodic boundary condition for fermions. The obtained phase diagram shows the first and the second order phase transition at low and high temperatures, respectively, and those are separated by the tricritical point in the chiral limit. Baryon has effects to reduce the effective free energy and to extend the hadron phase to a larger µ direction at low temperatures.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Copyright © 2007 American Physical Society
PISSN	0556-2821
EISSN	1089-4918
関連情報	URI http://www.aps.org/
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevD.75.014502