Superradiance in the Kerr-de Sitter space-time

Takashi Tachizawa*, Kei ichi Maeda

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


A Kerr-de Sitter black hole loses energy and angular momentum through both quantum superradiance and thermal emission. Our investigation of the former process indicates that a rapidly rotating black hole spins down faster as we increase Λ, but after spinning down takes longer to evaporate.

Original languageEnglish
Pages (from-to)325-330
Number of pages6
JournalPhysics Letters A
Issue number5
Publication statusPublished - 1993 Jan 11
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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