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Revival Dynamics in a Traversable Wormhole.

Stephan Plugge1, Étienne Lantagne-Hurtubise1,2, Marcel Franz1

  • 1Department of Physics and Astronomy & Stewart Blusson Quantum Matter Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada.

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Quantum effects stabilize traversable wormholes, enabling signal transport between connected quantum chaotic systems. Revivals observed in Sachdev-Ye-Kitaev models confirm holographic wormhole behavior.

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Area of Science:

  • Theoretical physics
  • Quantum gravity
  • Holography

Background:

  • Quantum effects can stabilize wormholes, facilitating spacetime connections.
  • The Sachdev-Ye-Kitaev (SYK) model provides a quantum chaotic system realizing holographic principles.

Purpose of the Study:

  • To investigate the revival dynamics of signals in a holographic traversable wormhole.
  • To explore wormhole signatures in quantum chaotic systems and their temperature dependence.

Main Methods:

  • Studying two weakly coupled, identical Sachdev-Ye-Kitaev models for large N.
  • Analyzing signal scrambling and reassembly dynamics.
  • Observing revival oscillations and their decay at finite temperatures.

Main Results:

  • Clear signatures of wormhole behavior were identified in the large N limit.
  • Excitation scrambling and reassembly occurred with a characteristic time consistent with holographic predictions.
  • Revival oscillations at low temperatures exhibited power-law decay.

Conclusions:

  • The study confirms holographic wormhole behavior in quantum chaotic systems.
  • Signal revival dynamics provide evidence for traversable wormholes.
  • Small N systems show revivals via a nongravitational mechanism.