Back Reaction in Black Hole Physics and GR

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SUMMARY

The term "back reaction" in black hole physics and General Relativity (GR) refers to the impact of gravitational wave radiation on a binary system, such as the binary pulsar PSR 1913+16. This system emits gravitational waves that carry energy and momentum away, necessitating consideration of back reaction effects when detecting these waves. Additionally, back reaction is relevant in the context of Hawking radiation and its influence on black hole quasinormal modes, particularly at the event horizon. For further reading, refer to Clifford M. Will's article, "The Confrontation between General Relativity and Experiment."

PREREQUISITES
  • Understanding of General Relativity (GR)
  • Familiarity with gravitational wave physics
  • Knowledge of binary systems in astrophysics
  • Concept of Hawking radiation and zero point energy
NEXT STEPS
  • Research the implications of gravitational wave back reaction in binary systems
  • Study the effects of Hawking radiation on black hole dynamics
  • Explore the concept of quasinormal modes in black hole physics
  • Read "The Confrontation between General Relativity and Experiment" by Clifford M. Will for deeper insights
USEFUL FOR

Astronomers, physicists, and researchers in gravitational wave detection, as well as those studying black hole thermodynamics and General Relativity.

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In black hole physics and GR, what does the term back reaction means?
 
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A binary system, especially one of high gravitational field such as the binary pulsar PSR 1913+16, radiates gravitational waves that carry energy and momentum away from the system. This radiation by Newton's Third Law produces a back reaction that has to be taken into account when evaluating the detection of any gravitational waves coming from that system. See this article from "The Confrontation between General Relativity and Experiment" by Clifford M. Will
http://relativity.livingreviews.org/Articles/lrr-2001-4/node28.html .

There is also a back reaction to Hawking radiation produced by the zero point energy field at the event horizon. Influence of the back reaction of the Hawking radiation upon black hole quasinormal modes

Garth
 
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