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arXiv 1809.03522hep-thnlin.SI
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相互作用CFTs的新的全圈作用:构造、可积性和RG流

Novel all loop actions of interacting CFTs: Construction, integrability and RG flows

George Georgiou, Konstantinos Sfetsos

摘要:

我们构造的所有回路有效的行动代表,小耦合,同时自我和相互作用的电流代数CFTs实现WZW模型。这非平凡地概括了我们以前的工作,这种相互作用,在线性水平上,不同时存在。对于两种耦合情况,我们证明了可积性并计算了耦合的RG流方程。我们还考虑了非阿贝尔T-对偶型极限。我们的模型提供了具体的实现精确的CFTs之间的可积流,并表现出几个新的功能,我们详细讨论。

英文摘要:

We construct the all loop effective action representing, for small couplings, simultaneously self and mutually interacting current algebra CFTs realized by WZW models. This non-trivially generalizes our previous works where such interactions were, at the linear level, not simultaneously present. For the two coupling case we prove integrability and calculate the coupled RG flow equations. We also consider non-Abelian T-duality type limits. Our models provide concrete realisations of integrable flows between exact CFTs and exhibit several new features which we discuss in detail.

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