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Updated: Jul 7, 2026
08:53
Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
Published on: October 9, 2012
Detecting energy emissions from a rotating black hole.
Maurice H P M van Putten1, Amir Levinson
1Massachusetts Institute of Technology, Room 2-378, Cambridge, MA 02139, USA. mvp@schauder.mit.edu
Science (New York, N.Y.)
|February 23, 2002
Summary
Black hole-torus systems release rotational energy via outflows and gravitational radiation. Gravitational waves from these systems can help identify Kerr black holes.
Area of Science:
- Astrophysics
- Black Hole Physics
- Gravitational Wave Astronomy
Background:
- Black holes surrounded by accretion tori are sites of significant energy release.
- Understanding these energy release mechanisms is crucial for astrophysical phenomena.
Purpose of the Study:
- To determine the channels of rotational energy release from black hole-torus systems.
- To investigate the potential for detecting these phenomena with gravitational wave experiments.
Main Methods:
- Analysis of energy release through different channels including outflows and gravitational radiation.
- Modeling the torus's angular velocity relative to the black hole.
Main Results:
- A minor fraction of energy is released in baryon-poor outflows, potentially linked to gamma-ray bursts.
- A major fraction (eta/2) is released as gravitational radiation by the torus.
- Remaining energy is released via torus winds, thermal emissions, and neutrino emissions.
Conclusions:
- Gravitational radiation from black hole-torus systems is detectable by gravitational wave experiments.
- This radiation offers a method for identifying Kerr black holes in the universe.
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