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

Hou Defu; Li Jiarong

Chinese Physics C> 1995, Vol. 19> Issue(S4) : 397-404

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

Hou Defu ,
Li Jiarong

Institute of Panicle Physics, Huazhong Normal University, Wuhan, Hubei, China

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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.
- two-loop thermodynamic potential ,
- overlapping divergence ,
- gauge-independent
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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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沈阳化工大学材料科学与工程学院沈阳 110142

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

Hou Defu
Li Jiarong

Institute of Panicle Physics, Huazhong Normal University, Wuhan, Hubei, China

Received Date: 1994-11-21

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.