Self-Consistent Investigation of Electroweak Transition at High Temperature

Hou Defu; Li Jiarong

Chinese Physics C> 1994, Vol. 18> Issue(S4) : 367-374

Self-Consistent Investigation of Electroweak Transition at High Temperature

Hou Defu ,
Li Jiarong

Institute of Particle Physics, Huazhong Normal University, Wuhan, China

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Abstract：
The effective potential of the standard model with neutral current is calculated consistently to (λ^3/2, g³, g'³) order at high temperature by the resummation of the hard thermal loops in the tadpole diagrams. The difficulties in the naive calculation are overcome. It is proved that the electroweak transition is of the first order and the critical temperature is obtained.
- effective potential ,
- hard thermal loops ,
- phase transition

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Hou Defu and Li Jiarong. Self-Consistent Investigation of Electroweak Transition at High Temperature[J]. Chinese Physics C, 1994, 18(S4): 367-374.

Hou Defu and Li Jiarong. Self-Consistent Investigation of Electroweak Transition at High Temperature[J]. Chinese Physics C, 1994, 18(S4): 367-374. shu

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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

Self-Consistent Investigation of Electroweak Transition at High Temperature

Hou Defu
Li Jiarong

Institute of Particle Physics, Huazhong Normal University, Wuhan, China

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

Abstract: The effective potential of the standard model with neutral current is calculated consistently to (λ^3/2, g³, g'³) order at high temperature by the resummation of the hard thermal loops in the tadpole diagrams. The difficulties in the naive calculation are overcome. It is proved that the electroweak transition is of the first order and the critical temperature is obtained.