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arXiv 0903.0995hep-thmath.QA
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有限维AKSZ-BV理论

Finite dimensional AKSZ-BV theories

Francesco Bonechi, Pavel Mnev, Maxim Zabzine

摘要:

我们描述了一个典型的减少AKSZ-BV理论的源流形的上同调。我们得到了一个有限维BV理论,它描述了零模对全QFT的贡献。可以定义积分,可以计算积分因子。作为一般构造的一个例子,我们考虑二维Poisson西格玛模型和三维Courant西格玛模型。当源流形是紧的时,约化理论是AKSZ构造的推广,其中我们把上同调环作为源。我们提出了AKSZ理论的可能推广。

英文摘要:

We describe a canonical reduction of AKSZ-BV theories to the cohomology of the source manifold. We get a finite dimensional BV theory that describes the contribution of the zero modes to the full QFT. Integration can be defined and correlators can be computed. As an illustration of the general construction we consider two dimensional Poisson sigma model and three dimensional Courant sigma model. When the source manifold is compact, the reduced theory is a generalization of the AKSZ construction where we take as source the cohomology ring. We present the possible generalizations of the AKSZ theory.

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