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Stringy cosmic strings with horizons

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Ruiz Ruiz, Fernando and Gibbons, G.W. and Ortiz, M.E. (1990) Stringy cosmic strings with horizons. Physics Letters B, 240 . pp. 50-54. ISSN 0370-2693

Official URL: http://dx.doi.org/10.1016/0370-2693(90)90407-W


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Abstract

It is shown that any sigma model coupled to gravity with a target space having closed geodesics admits singular cosmic string solutions with event horizons. We also prove that if one makes the general assumption of boost symmetric sources, non-singular solutions of this type cannot exist. The case of the target manifold being the fundamental domain of the modular group PSL(2,¢Z) is discussed in detail.


Item Type:Article
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Copyright © 1990 Published by Elsevier B.V.

Uncontrolled Keywords:Physics, Multidisciplinary
Subjects:Sciences > Physics
ID Code:25592
Deposited On:28 May 2014 14:55
Last Modified:28 May 2014 14:55

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