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arXiv 2408.07684hep-th
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超对称共形块的Shadow形式体系

Shadow formalism for supersymmetric conformal blocks

Vladimir Belavin, Juan Ramos Cabezas, Boris Runov

AI总结:

该研究将Shadow形式体系的Shadow算符构造推广到超对称共形场论,验证了其给出大c极限下平面四点、环面一点超对称共形块的已知结果,还求出项链道环面两点超对称共形块并经Casimir方程验证。

摘要:

Shadow形式体系是二维共形场论(CFT)中的一种技术,可在中心荷无穷大的极限下直接计算共形块。我们将Shadow算符的构造推广到超对称共形场论中。我们证明,Shadow形式体系能给出平面上四点超对称共形块、环面上一点超对称共形块在大c极限下的已知表达式。我们还显式求出了项链道下的两点全局环面超对称共形块,并通过Casimir微分方程对其进行了验证。

英文摘要:

Shadow formalism is a technique in two-dimensional CFT allowing straightforward computation of conformal blocks in the limit of infinitely large central charge. We generalize the construction of shadow operator for superconformal field theories. We demonstrate that shadow formalism yields known expressions for the large-c limit of the four-point superconformal block on a plane and of the one-point superconformal block on a torus. We also explicitly find the two-point global torus superconformal block in the necklace channel and check it against the Casimir differential equation.

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