Dynamics of apparent and event horizons

Peter Anninos, David Bernstein, Steven Brandt, Joseph Libson, Joan Massó, Edward Seidel, Larry Smarr, Wai Mo Suen, Paul Walker

Research output: Contribution to journalArticlepeer-review


We have developed a powerful and efficient new method in numerical relativity for locating the event horizon to high accuracy, making possible the study of horizon dynamics in highly nonlinear black-hole spacetimes. We analyzed and compared evolutions of the apparent and event horizons of both Schwarzschild and Kerr black holes struck by strong bursts of gravitational radiation, and of colliding black holes. In all black-hole spacetimes studied, the horizons oscillate with the quasinormal frequency at late times.

Original languageEnglish (US)
Pages (from-to)630-633
Number of pages4
JournalPhysical review letters
Issue number5
StatePublished - 1995

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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