| THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
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Quark and Gluon Condensates at Finite Temperatures by the Linear Sigma Model Approach |
| DING Jing-Zhi1**, JIN Hong-Ying2 |
1Department of Environmental Engineering, Wuhan Textile University, Wuhan 430073
2Zhejiang Institute of Modern Physics, Zhejiang University, Hangzhou 310027
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| Cite this article: |
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DING Jing-Zhi, JIN Hong-Ying 2014 Chin. Phys. Lett. 31 081201 |
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Abstract Based on a linear sigma model, we discuss the mixing between a quark condensate and a gluon condensate. It is shown that the linear sigma model will not be self-consistent if we switch off the mixing coupling between glueball and chiral fields. By introducing a proper mixing coupling, we realize the second-order phase transitions of chiral symmetry restoration and deconfinement. We further show that the critical temperature of chiral symmetry restoration could not be larger than the temperature of deconfinement phase transition in all possible parameter spaces of our model.
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Published: 28 July 2014
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| PACS: |
12.38.Lg
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(Other nonperturbative calculations)
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12.39.Fe
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(Chiral Lagrangians)
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25.75.Nq
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(Quark deconfinement, quark-gluon plasma production, and phase transitions)
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