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Vortex Motion Quantifies Strong Dissipation in a Holographic Superfluid.

Paul Wittmer1,2, Christian-Marcel Schmied2,3, Thomas Gasenzer1,2,3

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This summary is machine-generated.

Holographic duality connects quantum systems to gravity theories. Researchers matched vortex dynamics in a 2D holographic superfluid to predict friction parameters, enabling experimental tests of far-from-equilibrium quantum phenomena.

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Area of Science:

  • Quantum Field Theory
  • String Theory
  • Condensed Matter Physics

Background:

  • Holographic duality relates strongly coupled quantum systems to weakly coupled gravity theories.
  • Quantifying physical parameters in holographic theories remains a significant challenge.
  • Two-dimensional holographic superfluids exhibit strong dissipation, making them ideal for studying far-from-equilibrium dynamics.

Purpose of the Study:

  • To quantitatively determine the physical parameters of a two-dimensional holographic superfluid.
  • To establish a connection between holographic descriptions and experimentally observable superfluid phenomena.
  • To enable experimental tests of holographic far-from-equilibrium dynamics and turbulence.

Main Methods:

  • Numerical simulation of vortex dipole motion in a 2D holographic superfluid.
  • High-precision matching of simulated dynamics with the dissipative Gross-Pitaevskii equation.
  • Comparison with Hall-Vinen-Iordanskii equations to determine superfluid friction parameters.

Main Results:

  • Excellent agreement was found between simulated and theoretical vortex core shapes and spatiotemporal trajectories.
  • Friction parameters of the holographic superfluid were successfully determined.
  • The study validates the application of holographic vortex dynamics to real-world superfluids.

Conclusions:

  • Holographic vortex dynamics provide a powerful tool for understanding strongly coupled superfluids.
  • The findings pave the way for experimental investigations of holographic far-from-equilibrium physics.
  • This research bridges theoretical holographic models with observable condensed matter systems.