Hawking tunneling and boomerang behaviour of massive particles with E < m

Details Hawking tunneling and boomerang behaviour of massive particles with E < m Hawking tunneling and boomerang behaviour of massive particles with E < m

2012-03-08

arxiv.org/abs/1203.1729v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 2 figures. Proceedings of Spanish Relativity Meeting (ERE2011)

Scientific paper

Massive particles are radiated from black holes through the Hawking mechanism together with the more familiar radiation of massless particles. For $E >= m$, the emission rate is identical to the massless case. But $E < m$ particles can also tunnel across the horizon. A study of the dispersion relation and wave packet simulations show that their classical trajectory is similar to that of a boomerang. The tunneling formalism is used to calculate the probability for detecting such $E < m$ particles, for a Schwarzschild black hole of astrophysical size or in an analogue gravity experiment, as a function of the distance from the horizon and the energy of the particle.

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