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Thermal Relaxation Time in Chemically Non-equilibrated Gluon Plasma |
ZHANG Xiao-fei;ZHAO Wei-qin |
CCAST (World Laboratory), P. O. Box 8730, Beijing 100080,
and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
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Cite this article: |
ZHANG Xiao-fei, ZHAO Wei-qin 1997 Chin. Phys. Lett. 14 728-731 |
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Abstract The thermal relaxation time for a chemically non-equilibrated gluon plasma is calculated using the non-equilibrium Debye mass as the infrared regulator. The dependence of the thermal relaxation time on the fugacity is given. We find that there is a threshold fugacity λ g*. When λg < λ g*, τ NEQ/τ EQ decreases sharply with increasing fugacity, while λg > λg*, the ratio is almost unchanged.
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Keywords:
24.85. +p
12.38.Mh
52.25. Dg
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Published: 01 October 1997
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