Instability of scalar charges in 1+1D and 2+1D

Details Instability of scalar charges in 1+1D and 2+1D Instability of scalar charges in 1+1D and 2+1D

2002-01-07

arxiv.org/abs/gr-qc/0201021v1

Class.Quant.Grav. 19 (2002) 3745-3752

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, RevTeX4

Scientific paper

10.1088/0264-9381/19/14/313

We study the phenomenon of mass loss by a scalar charge -- a point particle which acts as a source for a (non-interacting) scalar field -- in (1+1)-dimensional and (2+1)-dimensional flat spacetime. We find that such particles are unstable against self interaction: they lose their mass through the emission of monopole radiation. This is in sharp contrast with scalar charges in (3+1)-dimensional flat spacetime, where no such phenomenon occurs.

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