Awaking the vacuum with spheroidal shells
William C. C. Lima, Raissa F. P. Mendes, George E. A. Matsas and, Daniel A. T. Vanzella
TL;DR
This paper explores how non-spherical spheroidal shells can trigger exponential vacuum fluctuations in scalar fields, extending previous spherical symmetry results and highlighting the effects of asymmetry.
Contribution
It analyzes the impact of spheroidal symmetry deviations on vacuum fluctuation growth, advancing understanding beyond spherical models.
Findings
Deviations from spherical symmetry influence vacuum fluctuation behavior.
Spheroidal shells can induce exponential growth in scalar field fluctuations.
The study highlights the importance of geometric asymmetry in quantum field effects.
Abstract
It has been shown that well-behaved spacetimes may induce the vacuum fluctuations of some nonminimally coupled free scalar fields to go through a phase of exponential growth. Here, we discuss this mechanism in the context of spheroidal thin shells emphasizing the consequences of deviations from spherical symmetry.
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