TL;DR
This paper investigates the presence of preHawking radiation near a black hole and finds no evidence of it when analyzing the quantum energy momentum tensor near a collapsing shell.
Contribution
It provides a detailed calculation showing the absence of preHawking radiation in a specific black hole collapse scenario.
Findings
No evidence of preHawking radiation near the collapsing shell.
Quantum energy momentum tensor analysis supports the conclusion.
Results challenge the idea that preHawking radiation occurs before horizon formation.
Abstract
Using the 2-D quantum energy momentum tensor expectation value near a black hole, the value near a collapsing shell which stops collapsing just outside the putative horizon is calculated and shown not to have any evidence of preHawking radiation.
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Taxonomy
TopicsCosmology and Gravitation Theories · Black Holes and Theoretical Physics · Astrophysical Phenomena and Observations