Semiclassical back reaction around a cosmic dislocation

Details Semiclassical back reaction around a cosmic dislocation Semiclassical back reaction around a cosmic dislocation

2004-10-01

arxiv.org/abs/gr-qc/0410009v2

Phys.Rev. D71 (2005) 024005

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Published version, 4 pages, no figures, REVTeX4 file

Scientific paper

10.1103/PhysRevD.71.024005

The energy-momentum vacuum average of a conformally coupled massless scalar field vibrating around a cosmic dislocation (a cosmic string with a dislocation along its axis) is taken as source of the linearized semiclassical Einstein equations. The solution up to first order in the Planck constant is derived. Motion of a test particle is then discussed, showing that under certain circumstances a helical-like dragging effect, with no classical analogue around the cosmic dislocation, is induced by back reaction.

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