The Removability of the Topological Term in the CP<sup>1</sup> model and ϑ-Vacuum

Gao Xiaochun; Qian Tiezheng

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《中国物理C》（英文）编辑部

2024年10月30日

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

The Removability of the Topological Term in the CP¹ model 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 CP¹ model is studied, the unitary transformation which removes the topological term in the CP¹ model 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 CP¹ model 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 CP¹ model 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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The Removability of the Topological Term in the CP¹ model 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 CP¹ model is studied, the unitary transformation which removes the topological term in the CP¹ model is obtained. The relation between the topological term to the ϑ-vacuum and geometric phase is then found.