Testing the No-Hair Theorem with GW150914

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Discussion Overview

The discussion revolves around the implications of a recent paper analyzing LIGO data in relation to the no-hair theorem and its potential connections to the information paradox and the Standard Model of particle physics. The scope includes theoretical implications and conceptual clarifications regarding classical and quantum frameworks.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants suggest that the no-hair theorem likely holds based on the analysis of LIGO data, which may have implications for the information paradox.
  • Others question the relevance of the no-hair theorem to the Standard Model, noting that the theorem is classical while the Standard Model is rooted in quantum field theory.
  • A participant seeks clarification on the specific implications of the no-hair theorem for the information paradox.

Areas of Agreement / Disagreement

Participants express differing views on the connection between the no-hair theorem and the Standard Model, indicating that multiple competing perspectives remain unresolved.

Contextual Notes

There are limitations regarding the assumptions made about the relationship between classical and quantum theories, as well as the implications of the no-hair theorem on contemporary theoretical frameworks.

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TL;DR
LIGO data has been used to test the no-hair theorem, suggesting that if black holes have hair, it is 'soft'.
A recent paper analyzing LIGO data suggests - though not conclusively - that the no-hair theorem likely holds, with implication for the information paradox and I was wondering where a confirmed no-hair outcome leaves us with regards going beyond the Standard Model?

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.123.111102
 
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Tghu Verd said:
I was wondering where a confirmed no-hair outcome leaves us with regards going beyond the Standard Model?

The no-hair theorem is a classical theorem, and the Standard Model is quantum field theory, so I'm not sure this paper's result has anything at all to do with going beyond the Standard Model. What connection do you think there is?
 
Tghu Verd said:
the no-hair theorem likely holds, with implication for the information paradox

What implications are you talking about?
 

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