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arXiv 1012.5195hep-th
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动力学非阿贝尔2-形式规范理论的BRST分析中的新观测

New observations in the BRST analysis of dynamical non-Abelian 2-form gauge theory

R. Kumar, R. P. Malik

摘要:

我们将通常的与1-形式规范势有关的规范变换推广到4维(3+1)拓扑质量非阿贝尔规范理论的Becchi-Rouet-Stora-Tyrons(BRST)和反BRST对称变换,其中包含了著名的(B \wedge F)项,其中1-形式和2-形式规范场之间存在显式的拓扑耦合.本文的一个新的发现是:辅助1型场(K_μ)和2型规范势(B_{0i})的(反)BRST对称变换不是由(反)BRST荷产生的,而这些(反)BRST荷是利用对应于本理论所有场的所有相关(反)BRST对称变换得到的。这是一个新的结果,因为它与BRST形式对(非)阿贝尔1-形式和阿贝尔2-形式以及3-形式规范理论的应用有很大的不同。

英文摘要:

We generalize the usual gauge transformations connected with the 1-form gauge potential to the Becchi-Rouet-Stora-Tyutin (BRST) and anti-BRST symmetry transformations for the four (3+1)-dimensional (4D) topologically massive non-Abelian gauge theory that incorporates the famous (B\wedge F) term where there is an explicit topological coupling between 1-form and 2-form gauge fields. A novel feature of our present investigation is the observation that the (anti-)BRST symmetry transformations for the auxiliary 1-form field (K_μ) and 2-form gauge potential (B_{0i}) are not generated by the (anti-)BRST charges that are derived by exploiting all the relevant (anti-)BRST symmetry transformations corresponding to all the fields of the present theory. This observation is a new result because it is drastically different from the application of the BRST formalism to (non-)Abelian 1-form and Abelian 2-form as well as 3-form gauge theories.

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