April 11 (Thu) at 13:30 - 15:00, 2024 (JST)
  • Wei-Hsiang Shao (Ph.D. Student, Department of Physics, National Taiwan University, Taiwan)
Tsukasa Tada

A UV theory is required in order to describe the origin of late-time Hawking radiation. In this talk, I will explore Hawking radiation in a non-local model of the radiation field inspired by Witten's open string field theory. An attempt at extracting the correlators of this theory will be discussed, which leads to a space-time uncertainty relation. As a result, the characteristics of trans-Planckian field modes differ significantly from that in the standard low-energy effective theory, and I will argue that this ultimately results in the termination of Hawking radiation around the scrambling time of the black hole.

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