Chinese Physics C > 1991, Vol. 15 > Issue(5): 427-436

The Restoration of Symmetry and Plasmon Effects at High Temperature and High Density in the Weinberg-Salam Model

HOU De-Fu^,,
LI Jia-Rong

Institute of Particle Physics,Huazhong Normal University,Wuhan 430070

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Abstract：
The effective potential of the W-S model is calculated at finite temperature and Jensity from the entire Lagrangian according to the grand canonical ensemble temperature field theory.The two elementary thermal effects is the weak and electromagnetic system are studied.The result indicates that the thermal effects not only counteract the Higgs mechanism effect and make the symmetry restore,but also make the gauge particles leave nonvanishing masses due to the plasmon effects.

References

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D. Kirzhnits and A. Linde, Phys. Lett., 42B(1972), 471; Claude W. Bernard Phys. Rev.,D9(1974),3312.[2] L. Dolan and R. Jackiw, Phys. Rev.,D9(1974), 3320; S. Coleman and E. Weinberg, PHYS. Rev (1973), 1888.[3] J. D. Anand, Phys. Rev., D34(1986), 2133; A. Larsen, Z. Phys. C-Particles and Fields, 33(1936), 294.[4] S. Weinberg, Phys. Rev. Lett., 19(1967), 1264.[5] A. Linde, Rep. Prog. Phys., 42(1979), 390.[6] Joseph I. Kapusta, Phys. Rev., d24(1981), 42G.[7] C. E. Vayonakis, Surveys in High Energ Physics, 55(I986), 87.[8] D. E. Miller, Phys. Rev.,D37(1988), 3716.[9] S. Nadkarni, Phys. Rev., D33(1986), 3738; O. A. Borisenko et al, Phys. Lett.,b236(1990), 349; M. B. Mislinger and P. D. Money, Phys. Rev., D13(1976), 2771.

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HOU De-Fu and LI Jia-Rong. The Restoration of Symmetry and Plasmon Effects at High Temperature and High Density in the Weinberg-Salam Model[J]. Chinese Physics C, 1991, 15(5): 427-436.

HOU De-Fu and LI Jia-Rong. The Restoration of Symmetry and Plasmon Effects at High Temperature and High Density in the Weinberg-Salam Model[J]. Chinese Physics C, 1991, 15(5): 427-436. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

The Restoration of Symmetry and Plasmon Effects at High Temperature and High Density in the Weinberg-Salam Model

HOU De-Fu^,
LI Jia-Rong

Corresponding author:HOU De-Fu,

Institute of Particle Physics,Huazhong Normal University,Wuhan 430070

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1991-05-05

Abstract:The effective potential of the W-S model is calculated at finite temperature and Jensity from the entire Lagrangian according to the grand canonical ensemble temperature field theory.The two elementary thermal effects is the weak and electromagnetic system are studied.The result indicates that the thermal effects not only counteract the Higgs mechanism effect and make the symmetry restore,but also make the gauge particles leave nonvanishing masses due to the plasmon effects.