Propagation of perturbations along strings

Abstract

A covariant formalism for physical perturbations propagating along a string in an arbitrary curved spacetime is developed. In the case of a stationary string in a static background the propagation of the perturbations is described by a wave-equation with a potential consisting of 2 terms: The first term describing the time-dilation and the second is connected with the curvature of space. As applications of the developed approach the propagation of perturbations along a stationary string in Rindler, de Sitter, Schwarzschild and Reissner-Nordstrom spacetimes are investigated.

18 pages, LaTeX, Nordita-93/17 P

References in corpus (2)

• Wiggly Relativistic Strings
• Scattering of string-waves on black hole background

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