Analytical Treatment of SU(2)-Higgs System on Lattice at Finite Temperature

Zheng Xite; Liu Beishu

Chinese Physics C> 1990, Vol. 14> Issue(S4) : 367-375

Analytical Treatment of SU(2)-Higgs System on Lattice at Finite Temperature

Zheng Xite ,
Liu Beishu

Chengdu University of Science and Technology, Chengdu, Sichuan, China

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Abstract：
The variational cumulant expansion treatment of lattice gauge theory at finite temperature is developed to the lattice SU/(2)-Higgs system with the Higgs fields in the fundamental representation. The method is demonstrated by calculating the expectation value of Polyakov line <L> to the 3rd order approximation. The result is in agreement with the Monte Carlo simulation result. The comparison with the mean field results is given.

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Zheng Xite and Liu Beishu. Analytical Treatment of SU(2)-Higgs System on Lattice at Finite Temperature[J]. Chinese Physics C, 1990, 14(S4): 367-375.

Zheng Xite and Liu Beishu. Analytical Treatment of SU(2)-Higgs System on Lattice at Finite Temperature[J]. Chinese Physics C, 1990, 14(S4): 367-375. shu

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Received: 1990-03-31

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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

Analytical Treatment of SU(2)-Higgs System on Lattice at Finite Temperature

Zheng Xite
Liu Beishu

Chengdu University of Science and Technology, Chengdu, Sichuan, China

Received Date: 1990-03-31

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: The variational cumulant expansion treatment of lattice gauge theory at finite temperature is developed to the lattice SU/(2)-Higgs system with the Higgs fields in the fundamental representation. The method is demonstrated by calculating the expectation value of Polyakov line <L> to the 3rd order approximation. The result is in agreement with the Monte Carlo simulation result. The comparison with the mean field results is given.