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05.10.2021 (Tuesday)

2259' style='color:#f0ad4e'>

Aspects of the black hole/string transition

Regular Seminar Yiming au:Chen'><span class='hl'>Yiming</span> Chen (Princeton University)

13:30 IC
room NA

Abstract: It has long been speculated that a black hole in string theory turns into highly excited strings close to the Hagedorn temperature. Gravitational attraction pulls different parts of the string together, forming a star-like configuration. In this talk, I will review the properties of a concrete solution of this kind, first discovered by Horowitz and Polchinski. I will discuss whether the Horowitz-Polchinski solution can be smoothly connected with the black hole as worldsheet CFTs. I will also discuss how the story can be generalized to charged cases, as well as its implication on the near extremal limit.