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arXiv 0704.3407hep-th
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关于广义Freedman-Townsend模型

On the generalized Freedman-Townsend model

C. Bizdadea, E. M. Cioroianu, I. Negru, S. O. Saliu, S. C. Sararu

摘要:

一致的相互作用,可以添加到一个自由的,阿贝尔规范理论包括有限的BF模型和两种形式的规范场(与拉格朗日作用写在一阶形式作为一个总和阿贝尔Freedman-Townsend模型)的有限集合构造从变形的解决方案的主方程基于特定的上同调技术。在相互作用的耦合常数、定域性、Lorentz协变性和Poincare不变性的光滑性假设下,再加上关于自由理论的关于保持每个场的导数数目的要求,我们得到变形过程修改了拉格朗日作用量、规范变换以及伴随的代数。相互作用的拉格朗日作用量包含了非阿贝尔Freedman-Townsend模型的推广形式。在耦合常数的所有顺序的相互作用的一致性,展开某些方程,这是有解决方案。

英文摘要:

Consistent interactions that can be added to a free, Abelian gauge theory comprising a finite collection of BF models and a finite set of two-form gauge fields (with the Lagrangian action written in first-order form as a sum of Abelian Freedman-Townsend models) are constructed from the deformation of the solution to the master equation based on specific cohomological techniques. Under the hypotheses of smoothness in the coupling constant, locality, Lorentz covariance, and Poincare invariance of the interactions, supplemented with the requirement on the preservation of the number of derivatives on each field with respect to the free theory, we obtain that the deformation procedure modifies the Lagrangian action, the gauge transformations as well as the accompanying algebra. The interacting Lagrangian action contains a generalized version of non-Abelian Freedman-Townsend model. The consistency of interactions to all orders in the coupling constant unfolds certain equations, which are shown to have solutions.

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