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arXiv 1002.1373hep-th
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离壳幂零有限BRST/anti-BRST变换

Off-shell nilpotent finite BRST/anti-BRST transformations

Sudhaker Upadhyay, Sumit Kumar Rai, Bhabani Prasad Mandal

摘要:

我们开发的离壳幂零有限场相关的BRST变换,并表明,对于不同的选择有限场相关的参数,这些连接的生成泛函对应于不同的有效理论。我们还构造了杨米尔斯理论的上壳和离壳有限场相关的反BRST变换,并表明这些变换在连接不同有效理论的不同生成泛函方面起着相似的作用。类似于有限域相关的BRST变换,由有限域相关的反BRST变换引起的路径积分测度的非平凡Jacobian是新结果的主要原因.我们考虑几个明确的例子,在每种情况下,以证明结果。

英文摘要:

We develop the off-shell nilpotent finite field dependent BRST transformations and show that for different choices of the finite field dependent parameter these connect the generating functionals corresponding to different effective theories. We also construct both on-shell and off-shell finite field dependent anti-BRST tranformations for Yang Mills theories and show that these transformations play the similar role in connecting different generating functionals of different effective theories. Analogous to the finite field dependent BRST transformations, the non-trivial Jacobians of the path integral measure which arise due to the finite field dependent anti-BRST transformations are responsible for the new results. We consider several explicit examples in each case to demonstrate the results.

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