UV And IR Effects On Hawking Radiation
Journal
Journal of High Energy Physics
Journal Volume
2023
Journal Issue
3
Date Issued
2022-07-15
Author(s)
Hikaru Kawai
Abstract
We study the time-dependence of Hawking radiation for a black hole in the
Unruh vacuum, and find that it is not robust against certain UV and IR effects.
If there is a UV cutoff at the Planck scale, Hawking radiation is turned off
after the scrambling time. In the absence of a UV cutoff, Hawking radiation is
sensitive to the IR cutoff through a UV/IR connection due to higher-derivative
interactions in the effective theory. Furthermore, higher-derivative
interactions with the background contribute to a large amplitude of particle
creation that changes Hawking radiation. This unexpected large effect is
related to a peculiar feature of the Hawking particle wave packets.
Subjects
Black Holes | Effective Field Theories; High Energy Physics - Theory; High Energy Physics - Theory; General Relativity and Quantum Cosmology
Description
35 pages, 5 figures, references added, minor modification
Type
journal article