Gravitational blueshift from a collapsing object

We discuss a counterintuitive phenomenon of classical general relativity, in which a significant fraction of the radiation emitted by a collapsing object and detected by a distant observer may be blueshifted rather than redshifted. The key-point is that when the radiation propagates inside the colla...

Full description

Bibliographic Details
Main Authors: Lingyao Kong, Daniele Malafarina, Cosimo Bambi
Format: Article
Language:English
Published: Elsevier 2015-02-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269314008934