Chinese Physics C > 1993, Vol. 17 > Issue(S4): 355-360

The Removability of the Topological Term in the CP¹model and ϑ-Vacuum

Physics Department, Zhejiang University, Hangzhou, Zhejiang, China

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Abstract：
In this paper, the removability of the topological term in the 1 + ID CP ¹model is studied, the unitary transformation which removes the topological term in the CP ¹model is obtained. The relation between the topological term to the ϑ-vacuum and geometric phase is then found.

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Gao Xiaochun and Qian Tiezheng. The Removability of the Topological Term in the CP ¹model and ϑ-Vacuum[J]. Chinese Physics C, 1993, 17(S4): 355-360.

Gao Xiaochun and Qian Tiezheng. The Removability of the Topological Term in the CP ¹model and ϑ-Vacuum[J]. Chinese Physics C, 1993, 17(S4): 355-360. shu

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Received: 1982-09-22

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

The Removability of the Topological Term in the CP¹model and ϑ-Vacuum

Gao Xiaochun
Qian Tiezheng

Physics Department, Zhejiang University, Hangzhou, Zhejiang, China

Received Date:1982-09-22

Abstract:In this paper, the removability of the topological term in the 1 + ID CP¹model is studied, the unitary transformation which removes the topological term in the CP¹model is obtained. The relation between the topological term to the ϑ-vacuum and geometric phase is then found.