Free massive particles with total energy E < mc^2 in curved spacetimes

Details Free massive particles with total energy E < mc^2 in curved spacetimes Free massive particles with total energy E < mc^2 in curved spacetimes

2002-01-30

arxiv.org/abs/gr-qc/0201093v1

Phys.Rev. D65 (2002) 104019

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages (REVTEX), 12 figures

Scientific paper

10.1103/PhysRevD.65.104019

We analyze free elementary particles with rest mass $m$ and total energy $E < m c^2$ in the Rindler wedge, outside Reissner-Nordstrom black holes and in the spacetime of relativistic (and non-relativistic) stars, and use Unruh-DeWitt-like detectors to calculate the associated particle detection rate in each case. The (mean) particle position is identified with the spatial average of the excitation probability of the detectors, which are supposed to cover the whole space. Our results are shown to be in harmony with General Relativity classical predictions. Eventually we reconcile our conclusions with Earth-based experiments which are in good agreement with $E \geq m c^2$.

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