Finite-Temperature Phase Structure in the Chiral σ-ω Model with Dilatons

Chin. Phys. Lett.

2000, Vol. 17

Issue (9): 649-651 DOI:

Original Articles

Finite-Temperature Phase Structure in the Chiral σ-ω Model with Dilatons

ZHANG Xiao-Bing;LI Xue-Qian;NING Ping-Zhi

Department of Physics, Nankai University, Tianjin 300071

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ZHANG Xiao-Bing, LI Xue-Qian, NING Ping-Zhi 2000 Chin. Phys. Lett. 17 649-651

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Abstract We investigate the finite-temperature phase structure in a scaled chiral model which includes the dilaton (glueball) field. It is shown that hot nuclear matter undergoes a discontinuous transition in the mean field of scalar mesons as well as the Lee-Wick abnormal transition. The corresponding behavior of the gluon condensate during the chiral phase transition is also studied.

Keywords: 21.65.+f 11.30.Rd 14.40.Aq

Published: 01 September 2000

PACS:	21.65.+f
	11.30.Rd	(Chiral symmetries)
	14.40.Aq

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I9/0649

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