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arXiv 1001.3608hep-th
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不同维自对偶规范理论的拉格朗日公式

Lagrangian Formulations of Self-dual Gauge Theories in Diverse Dimensions

Wei-Ming Chen, Pei-Ming Ho

摘要:

在这项工作中,我们研究拉格朗日制剂的自对偶规范理论,也被称为手征$n$ -形式的规范理论,$n = 2p$在$D = 4p+2$维时空。最近制定的M5膜来自BLG模型的动机,我们推广了早期的拉格朗日公式的基础上分解的时空到$(D-1)$维度加上一个特殊的维度,构建拉格朗日公式的基础上的通用分解的时空到$D'$和$D" = D - D'$维度。虽然洛伦兹对称性不明显,但我们证明了在修正的洛伦兹变换下作用量是不变的。

英文摘要:

In this work, we study Lagrangian formulations for self-dual gauge theories, also known as chiral $n$-form gauge theories, for $n = 2p$ in $D = 4p+2$ dimensional spacetime. Motivated by a recent formulation of M5-branes derived from the BLG model, we generalize the earlier Lagrangian formulation based on a decomposition of spacetime into $(D-1)$ dimensions plus a special dimension, to construct Lagrangian formulations based on a generic decomposition of spacetime into $D'$ and $D" = D - D'$ dimensions. Although the Lorentz symmetry is not manifest, we prove that the action is invariant under modified Lorentz transformations.

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