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arXiv 1004.0330hep-th
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阿贝尔二阶反对称张量场论中的广义BRST变换

Generalized BRST transformation in Abelian rank-2 antisymmetric tensor field theory

Sudhaker Upadhyay, Bhabani Prasad Mandal

摘要:

通过允许参数为有限且依赖于场,我们推广了Abel秩2张量场论中的BRST变换,并指出这种变换在研究非协变规范下的Abel 2-形式规范理论中起着至关重要的作用.不同有效理论中的生成泛函通过不同有限参数选择的广义BRST变换联系起来。我们进一步考虑的反BRST变换的推广,并表明,即使反BRST变换与有限场相关的参数与不同的有效理论的生成功能。这样的广义BRST/反BRST变换在连接对应于不同有效理论的生成泛函中是有用的。场/反场制定的阿贝尔2-形式规范理论的广义BRST变换的背景下也进行了研究。我们证明了广义BRST变换连接了场/反场表述中量子主方程不同解对应的生成泛函。

英文摘要:

We generalize the BRST transformations in Abelian rank-2 tensor field theory by allowing the parameter to be finite and field dependent and show that such transformations play crucial role in studying the Abelian 2-form gauge theory in noncovariant gauges. The generating functionals in different effective theories are connected through these generalized BRST transformations with different choice of finite parameter. We further consider the generalization of the anti-BRST transformations and show that even anti-BRST transformations with the finite field dependent parameter relate the generating functional for different effective theories. Such generalized BRST/anti-BRST transformations are useful in connecting generating functionals corresponding to different effective theories. Field/antifield formulation of this Abelian 2-form gauge theory is also studied in the context of generalized BRST transormations. We show that generalized BRST transformation connects the generating functional corresponding to the different solutions of quantum master equation in field/antifield formulation.

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