Exact Black-Hole Solution With Self-Interacting Scalar Field

Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology

Scientific paper

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10 pages, uuencoded ps-file, 130 kB, revised: additional Comments and references, minor corrections, notational changes

Scientific paper

10.1088/0264-9381/12/6/013

Einstein gravity minimally coupled to a self-interacting scalar field is investigated in the static and isotropic situation. We explicitly construct in partially closed form a new black-hole solution with exponentially decaying scalar hair. The symmetric interaction potential has both signs and a triple-well shape with a smooth but non-analytic minimum at vanishing field. We present numerical data as well as double series expansions around spatial infinity.

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