Stationary scalar clouds around rotating black holes

Shahar Hod
Phys. Rev. D 86, 104026 – Published 7 November 2012; Erratum Phys. Rev. D 86, 129902 (2012)

Abstract

Motivated by novel results in the theory of wave dynamics in black-hole spacetimes, we analyze the dynamics of a massive scalar field surrounding a rapidly rotating Kerr black hole. In particular, we report on the existence of stationary (infinitely long-lived) regular field configurations in the background of maximally rotating black holes. The effective height of these scalar “clouds” above the central black hole is determined analytically. Our results support the possible existence of stationary scalar field dark matter distributions surrounding rapidly rotating black holes.

  • Received 17 July 2012

DOI:https://doi.org/10.1103/PhysRevD.86.104026

© 2012 American Physical Society

Erratum

Authors & Affiliations

Shahar Hod

  • The Ruppin Academic Center, Emeq Hefer 40250, Israel and The Hadassah Institute, Jerusalem 91010, Israel

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Issue

Vol. 86, Iss. 10 — 15 November 2012

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