THE STUDY OF TOPOLOGICAL TERMS OF THE NONLINEAR SIGMA MODEL

GAO Xiao-Chun; WANG Yong; XU Jing-Bo; LI Wen-Zhu

Chinese Physics C> 1989, Vol. 13> Issue(6) : 526-529

THE STUDY OF TOPOLOGICAL TERMS OF THE NONLINEAR SIGMA MODEL

Department of Physics,Zhejiang University Hangzhou

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Abstract：
The canonical system of O(3) nonlinear sigma model in 1+1 dimensions is studied in this paper.It is shown that the topological term in the model will disappear under a suitable canonical transformation for the system.The significance of this result is discussed.

References

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GAO Xiao-Chun, WANG Yong, XU Jing-Bo and LI Wen-Zhu. THE STUDY OF TOPOLOGICAL TERMS OF THE NONLINEAR SIGMA MODEL[J]. Chinese Physics C, 1989, 13(6): 526-529.

GAO Xiao-Chun, WANG Yong, XU Jing-Bo and LI Wen-Zhu. THE STUDY OF TOPOLOGICAL TERMS OF THE NONLINEAR SIGMA MODEL[J]. Chinese Physics C, 1989, 13(6): 526-529. shu

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

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

THE STUDY OF TOPOLOGICAL TERMS OF THE NONLINEAR SIGMA MODEL

Corresponding author: GAO Xiao-Chun,

Department of Physics,Zhejiang University Hangzhou

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-06-05

Abstract: The canonical system of O(3) nonlinear sigma model in 1+1 dimensions is studied in this paper.It is shown that the topological term in the model will disappear under a suitable canonical transformation for the system.The significance of this result is discussed.