GRAVITATIONAL-FIELD AROUND SPACELIKE AND TIME-LIKE CURRENT-CARRYING COSMIC STRINGS

Authors
Citation
P. Peter et D. Puy, GRAVITATIONAL-FIELD AROUND SPACELIKE AND TIME-LIKE CURRENT-CARRYING COSMIC STRINGS, Physical review. D. Particles and fields, 48(12), 1993, pp. 5546-5561
Citations number
35
Categorie Soggetti
Physics, Particles & Fields
ISSN journal
05562821
Volume
48
Issue
12
Year of publication
1993
Pages
5546 - 5561
Database
ISI
SICI code
0556-2821(1993)48:12<5546:GASATC>2.0.ZU;2-K
Abstract
The metric around a current-carrying superconducting cosmic string of the Witten type is estimated for both timelike and spacelike currents by means of a matching at the string radius with the most general stat ic and cylindrically symmetric vacuum solution of the Einstein-Maxwell equations. This solution depends on four parameters which are compute d numerically in the weak field limit as functions of the string state parameter. Finally, the equations of motion for test and charged part icles are derived and the bending of light rays is calculates to first order in the Newton constant.