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arXiv 1310.2013hep-th
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SU(2)Cho-Faddeev-Niemi分解的有限场相关对称性

Aspects of finite field-dependent symmetry in SU(2) Cho-Faddeev-Niemi decomposition

Sudhaker Upadhyay

摘要:

在这封信中,我们考虑SU(2)杨-米尔斯理论分析Cho-Faddeev-Niemi变量下保持不变的局部规范变换。通过使无穷小参数为有限且依赖于场,推广了该理论的BRST对称性。此外,我们表明,在适当的有限和场相关的参数的选择下,规范固定和鬼对应的朗道以及最大阿贝尔规范的Cho-Faddeev-Niemi分解理论自然出现在功能积分通过雅可比计算。

英文摘要:

In this Letter we consider SU(2) Yang-Mills theory analysed in Cho-Faddeev-Niemi variables which remains invariant under local gauge transformations. The BRST symmetries of this theory is generalized by making the infinitesimal parameter finite and field-dependent. Further, we show that under appropriate choices of finite and field-dependent parameter, the gauge-fixing and ghost terms corresponding to Landau as well as maximal Abelian gauge for such Cho-Faddeev-Niemi decomposed theory appear naturally within functional integral through Jacobian calculation.

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