Analytical Approach to the Two-dimensional <i>0</i>(3) Non-linear <i>σ</i> Model

Zhao Peiying

Chinese Physics C> 1995, Vol. 19> Issue(S2) : 151-155

Analytical Approach to the Two-dimensional 0(3) Non-linear σ Model

Zhao Peiying

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

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Abstract：
In the Lattice gauge theory, by using the variational cumulant expansion, we calculate the internal energy and specific heat for the two-dimensional 0(3) nonlinear σ model. A comparison with the Monte Carlo (MC) result is also presented.
- lattice gauge theory ,
- 0(3) nonlinear σ model ,
- variational cumulant expansion ,
- internal energy ,
- specific heat
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Zhao Peiying. Analytical Approach to the Two-dimensional 0(3) Non-linear σ Model[J]. Chinese Physics C, 1995, 19(S2): 151-155.

Zhao Peiying. Analytical Approach to the Two-dimensional 0(3) Non-linear σ Model[J]. Chinese Physics C, 1995, 19(S2): 151-155. shu

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Received: 1993-12-16

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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 Approach to the Two-dimensional 0(3) Non-linear σ Model

Zhao Peiying

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

Received Date: 1993-12-16

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

Abstract: In the Lattice gauge theory, by using the variational cumulant expansion, we calculate the internal energy and specific heat for the two-dimensional 0(3) nonlinear σ model. A comparison with the Monte Carlo (MC) result is also presented.