Analytical Calculation of Lattice SU(2)-Higgs Model with Varied Length

  • The order parameter Ep= of the lattice SU(2)-Higgs model in four dimensions is calculated using the cumulant expansion to the fourth order approximation.The Higgs field is in the fundamental representation. An approach for determining two variational parameters is developed. The phase diagram obtained is in a good agreement with the Monte Carlo result.
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Liu Beishu and Zheng Xite. Analytical Calculation of Lattice SU(2)-Higgs Model with Varied Length[J]. Chinese Physics C, 1995, 19(12): 1090-1095.
Liu Beishu and Zheng Xite. Analytical Calculation of Lattice SU(2)-Higgs Model with Varied Length[J]. Chinese Physics C, 1995, 19(12): 1090-1095. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Analytical Calculation of Lattice SU(2)-Higgs Model with Varied Length

    Corresponding author: Liu Beishu,
  • Department of Applied Physics, Sichuan Union University, Chengdu 610065

Abstract: The order parameter Ep= of the lattice SU(2)-Higgs model in four dimensions is calculated using the cumulant expansion to the fourth order approximation.The Higgs field is in the fundamental representation. An approach for determining two variational parameters is developed. The phase diagram obtained is in a good agreement with the Monte Carlo result.

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