Conformal blocks and negativity at large central charge
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Publication:271127
DOI10.1007/JHEP09(2014)010zbMATH Open1333.81372arXiv1407.0324MaRDI QIDQ271127
Author name not available (Why is that?)
Publication date: 7 April 2016
Published in: (Search for Journal in Brave)
Abstract: We consider entanglement negativity for two disjoint intervals in 1+1 dimensional CFT in the limit of large central charge. As the two intervals get close, the leading behavior of negativity is given by the logarithm of the conformal block where a set of approximately null descendants appears in the intermediate channel. We compute this quantity numerically and compare with existing analytic methods which provide perturbative expansion in powers of the cross-ratio.
Full work available at URL: https://arxiv.org/abs/1407.0324
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