Phys. Rev. D 66, 043508 (2002) [10 pages]Null string evolution in black hole and cosmological spacetimesReceived 22 April 2002; published 14 August 2002 We discuss the problem of the motion of classical strings in some black hole and cosmological spacetimes. In particular, the null string limit (zero tension) of tensile strings is considered. We present some new exact string solutions in a Reissner-Nordström black hole background as well as in the Einstein static universe and in the Einstein-Schwarzschild (a black hole in the Einstein static universe) spacetime. These solutions can give some insight into the general nature of the propagation of strings (cosmic and fundamental) in curved backgrounds. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.66.043508
DOI:
10.1103/PhysRevD.66.043508
PACS:
98.80.Hw, 04.62.+v, 04.70.Bw, 11.25.Mj
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