Finite-Temperature Thermodynamic Potential of Two-loop QED and the Overlapping Divergences in Arbitrary Gauge

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Hou Defu and Li Jiarong. Finite-Temperature Thermodynamic Potential of Two-loop QED and the Overlapping Divergences in Arbitrary Gauge[J]. Chinese Physics C, 1995, 19(S4): 397-404.
Hou Defu and Li Jiarong. Finite-Temperature Thermodynamic Potential of Two-loop QED and the Overlapping Divergences in Arbitrary Gauge[J]. Chinese Physics C, 1995, 19(S4): 397-404. shu
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Received: 1994-11-21
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    Supported by the National Natural Science Foundation of China.

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Finite-Temperature Thermodynamic Potential of Two-loop QED and the Overlapping Divergences in Arbitrary Gauge

  • Institute of Panicle Physics, Huazhong Normal University, Wuhan, Hubei, China
Fund Project:  Supported by the National Natural Science Foundation of China.

Abstract: Dimensional regularization at finite temperature is applied to calculate accurately the thermodynamic potential of two-loop QED and the overlapping divergences in arbitrary gauge. The calculation indicates that the overlapping divergences cancel each other and the result is gauge-independent.

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