A Potential Barrier Halting Spherically Symmetric Relativistic Gravitational Collapse
Abstract
For asymptotic observers, geodesic paths of radially inbound photons in a Schwarzschild space-time approach the critical radius of a collapsed star asymptotically. When considering processes of accretion or quantum evaporation however, inbound null geodesics, in a corresponding Vaidya space-time, pass through a momentary inflection point where time dilation diverges and subsequently reach the critical radius within a finite coordinate time. By considering a diagonal form of the Vaidya metric that reduces to the Schwarzschild metric in the zero accretion/evaporation limit, photons approaching on radial paths pass through the inflection point and undergo infrared divergence at the critical radius. Particles on radial timelike geodesics are shown to meet a potential barrier beyond the inflection point, which diverges at the critical radius.
Acceptance Date | Aug 26, 2021 |
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Publication Date | Aug 26, 2021 |
Pages | 101-113 |
Book Title | Research Trends and Challenges in Physical Science |
ISBN | 978-93-91595-88-3 |
DOI | https://doi.org/10.9734/bpi/rtcps/v1/4203F |
Publisher URL | https://stm.bookpi.org/RTCPS-V1/article/view/3614 |
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