A cosmic string shock wave

Details A cosmic string shock wave A cosmic string shock wave

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988cqgra...5...55d&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 5, Jan. 1, 1988, p. 55-58.

Physics

9

Cosmology, Fluid Flow, Polytropic Processes, Shock Waves, String Theory, Supersonic Wakes, Asymptotic Properties, Equations Of State

Scientific paper

The theory of general relativistic shock waves is used to model the supersonic wake of a straight cosmic string. The motion of a supersonic fluid past an element of a cosmic string at rest, a problem which is equivalent to the motion of a cosmic string in a fluid at rest, is first investigated. The method is then demonstrated by treating the case of an infinite straight string. It is shown both that the density contrast is enhanced by the shock and that the pressure behind the shock wave is much greater than in front.

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