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Vortex Effects in Merging Black Holes and Saturons
Gia Dvali1,2, Oleg Kaikov1,2, Florian Kühnel1,2
1Arnold Sommerfeld Center, Ludwig-Maximilians-Universität, Theresienstraße 37, 80333 München, Germany.
Physical Review Letters
|April 29, 2024
Summary
Vorticity, a property of spinning black holes, significantly impacts mergers. This study on Q-ball saturons suggests black hole collisions with vortices could create detectable gravitational wave signatures, revealing quantum effects.
Area of Science:
- Theoretical physics
- Astrophysics
- Quantum gravity
Background:
- Vorticity has been proposed as a characteristic of highly spinning black holes.
- This property links to maximal microstate entropy objects, termed saturons.
- Black holes are considered a type of saturon.
Purpose of the Study:
- To investigate the impact of vorticity on the collision dynamics of Q-ball-like saturons.
- To explore potential observable consequences for black hole mergers.
Main Methods:
- Simulating the collision of two Q-ball-like saturons.
- Analyzing the effects of vorticity on emitted radiation, charge, and angular momentum.
Main Results:
- Vorticity significantly influences the emitted radiation during saturon collisions.
- The final configuration's charge and angular momentum are affected by vorticity.
- These effects are expected to be analogous in black hole mergers.
Conclusions:
- Vortices in black hole mergers could cause macroscopic deviations in gravitational radiation.
- Such deviations may offer unique signatures for gravitational-wave detectors.
- These signatures could provide insights into macroscopic quantum effects in black holes.
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