Quench Dynamics of an Ultracold 2D Bose Gas

@article{Comaron2019QuenchDO,
  title={Quench Dynamics of an Ultracold 2D Bose Gas},
  author={P. Comaron and F. Larcher and F. Dalfovo and N. Proukakis},
  journal={arXiv: Quantum Gases},
  year={2019}
}
  • P. Comaron, F. Larcher, +1 author N. Proukakis
  • Published 2019
  • Physics
  • arXiv: Quantum Gases
  • We study the dynamics of a two-dimensional Bose gas after an instantaneous quench of an initially ultracold thermal atomic gas across the Berezinskii-Kosterlitz-Thouless phase transition, confirming via stochastic simulations that the system undergoes phase ordering kinetics and fulfills dynamical scaling hypothesis at late-time dynamics. Specifically, we find in that regime the vortex number decaying in time as $\langle N_v \propto t^{-1}\rangle$, consistent with a dynamical critical exponent… CONTINUE READING

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