Quantum Vacuum Instability Near Rotating Stars
A L Matacz, A C Ottewill, P C W Davies
TL;DR
This paper examines quantum vacuum effects near rotating stars and black holes, revealing the presence of the Starobinskii-Unruh process in black holes but its absence in highly relativistic rotating stars.
Contribution
It clarifies the conditions under which the Starobinskii-Unruh effect occurs, linking it to squeezed states and contrasting black holes with rotating stars.
Findings
Starobinskii-Unruh effect occurs in Kerr black holes
Effect is absent in highly relativistic rotating star models
Links quantum effects to the nature of spacetime around compact objects
Abstract
We discuss the Starobinskii-Unruh process for the Kerr black hole. We show how this effect is related to the theory of squeezed states. We then consider a simple model for a highly relativistic rotating star and show that the Starobinskii-Unruh effect is absent.
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