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Glitches in Rotating Supersolids.

Elena Poli1, Thomas Bland1, Samuel J M White1,2

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Neutron star glitches, rapid spin-up events, are studied using supersolid analogies. This research explores vortex dynamics to understand nuclear matter and offers a new quantum simulation approach for celestial objects.

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Area of Science:

  • Astrophysics
  • Condensed Matter Physics
  • Nuclear Physics

Background:

  • Neutron star glitches are crucial for understanding nuclear matter at extreme densities.
  • Vortex unpinning is a leading hypothesis for explaining these spin-up events.

Purpose of the Study:

  • To numerically investigate the neutron star glitch mechanism via vortex unpinning.
  • To explore the dynamics of vortices and crystal structures during a glitch.
  • To establish a connection between supersolid properties and glitch behavior.

Main Methods:

  • Numerical simulations employing analogies between neutron stars and dipolar supersolids.
  • Analysis of vortex and crystal dynamics during simulated glitch events.
  • Benchmarking simulation results against observed neutron star glitches.

Main Results:

  • The study reveals how supersolid quality influences glitch dynamics.
  • A method is developed to probe glitches at various radial depths within neutron stars.
  • The findings provide insights into the behavior of nuclear matter under extreme conditions.

Conclusions:

  • The supersolid analogy offers a powerful tool for studying neutron star glitches.
  • This research opens new possibilities for quantum simulation of stellar objects.
  • The work bridges condensed matter physics with astrophysics for novel insights.