Remarks on harmonic maps, solitons, and dilaton gravity

Details Remarks on harmonic maps, solitons, and dilaton gravity Remarks on harmonic maps, solitons, and dilaton gravity

2003-12-08

arxiv.org/abs/gr-qc/0312046v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

3 pages, to appear

Scientific paper

Another connection of harmonic maps to gravity is presented. Using 1-soliton and anti-soliton solutions of the sine-Gordon equation, we construct a pair of harmonic maps that we express in terms of a particular dilaton field in Jackiw-Teitelboim gravity. This field satisfies a linearized sine-Gordon equation. We use it also to construct an explicit transformation that relates the corresponding solitonic metric to a two dimensional black hole metric.

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