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Area of Science:

  • Astrophysics
  • Gravitational Wave Astronomy
  • Quantum Gravity

Background:

  • Gravitational wave measurements offer precise tests for black hole physics.
  • Giddings' nonviolent nonlocality proposal suggests quantum information transfer via nonlocal interactions, creating metric perturbations around black holes.
  • These perturbations differ from firewalls, extending up to a Schwarzschild radius.

Purpose of the Study:

  • To model the impact of nonviolent nonlocality on gravitational waveforms.
  • To investigate the potential for detecting these effects using gravitational wave data.
  • To constrain the proposed metric perturbations using current and future gravitational wave observatories.

Main Methods:

  • Modified the nonspinning EOBNRv2 effective one body waveform model.
  • Incorporated metric perturbations modeled as a random Gaussian process.
  • Utilized principal component analysis to find an optimal dephasing parameter for detection.

Main Results:

  • The modified waveform exhibits random deviations, most significant during the late inspiral-plunge phase.
  • An optimal dephasing parameter was identified for detecting nonviolent nonlocality effects.
  • The study predicts random phase deviations across different gravitational wave events.

Conclusions:

  • Nonviolent nonlocality introduces detectable random phase deviations in gravitational waveforms.
  • These findings support hierarchical tests of general relativity.
  • Constraints on nonviolent nonlocality perturbations can be estimated using LIGO-Virgo and future third-generation networks.