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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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Cite this article: |
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.
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Keywords:
21.65.+f
11.30.Rd
14.40.Aq
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Published: 01 September 2000
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