Causal Structure around Spinning 5-DIMENSIONAL Cosmic Strings

Details Causal Structure around Spinning 5-DIMENSIONAL Cosmic Strings Causal Structure around Spinning 5-DIMENSIONAL Cosmic Strings

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008mgm..conf.1434s&link_type=abstract

"THE ELEVENTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation an

Physics

Bulk Space Time, Einstein Yang-Mills, Cosmic Strings, Closed Timelike Curves

Scientific paper

We present a numerical solution of a stationary 5-dimensional spinning cosmic string in the Einstein-Yang-Mills (EYM) model, where the extra bulk coordinate ψ is periodic. It turns out that when gψψ approaches zero, i.e., a closed time-like curve (CTC) would appear, the solution becomes singular. We also investigated the geometrical structure of the static 5D cosmic string. Two opposite moving 5D strings could, in contrast with the 4D case, fulfil the Gott condition for CTC formation.

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