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Decoding stringy near-supersymmetric black holes | BIMSA-Tsinghua String Seminar

来源: 06-30

时间:2023-06-30 Fri 14:00-15:00

地点:A3-3-201

组织者:Fengjun Xu

主讲人:Yixiao Tao YMSC

Abstract

Building on the recent discovery of the first candidate black hole operator in N = 4 super-Yang-Mills, we explore the near-supersymmetric aspects of the theory that capture lightly excited, highly stringy black holes. We extend the superspace formalism describing the classically supersymmetric (1/16-BPS) sector of N = 4 super-Yang-Mills and compute a large number of one-loop anomalous dimensions. Despite being in the highly stringy regime, we find hints of a gap in the spectrum, similar to that found by a gravitational path integral. We also determine the actual expression of the first candidate black hole operator at weak gauge coupling, going beyond the cohomological construction.

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