QUANTUM CHROMODYNAMICS AT HIGH-TEMPERATURE

被引:478
作者
KAPUSTA, JI
机构
[1] Lawrence Berkeley Laboratory, University of California, Berkeley
关键词
D O I
10.1016/0550-3213(79)90146-9
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The thermodynamic potential of quantum chromodynamics is calculated in orders 1, αc and αc 3 2. The renormalization group is used to improve the expansion by allowing αc to be a function of the temperature and chemical potentials. The results are valid for an arbitrary number of quark flavors and masses. Numerical calculations are made for the special case of up, down and strange quarks. Particular attention is paid to the breakdown of the perturbation expansion, and possible connection to the thermodynamics of Hagedorn is discussed. The MIT bag model, which has a fixed coupling constant, does not appear to yield good convergence at high temperatures. © 1979.
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页码:461 / 498
页数:38
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