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He L, Sieberer LM, Diehl S. Space-Time Vortex Driven Crossover and Vortex Turbulence Phase Transition in One-Dimensional Driven Open Condensates. Phys Rev Lett. 2017;118(8):085301doi: 10.1103/PhysRevLett.118.085301.
He, L., Sieberer, L. M., & Diehl, S. (2017). Space-Time Vortex Driven Crossover and Vortex Turbulence Phase Transition in One-Dimensional Driven Open Condensates. Physical review letters, 118(8), 085301. https://doi.org/10.1103/PhysRevLett.118.085301
He, Liang, et al. "Space-Time Vortex Driven Crossover and Vortex Turbulence Phase Transition in One-Dimensional Driven Open Condensates." Physical review letters vol. 118,8 (2017): 085301. doi: https://doi.org/10.1103/PhysRevLett.118.085301
He L, Sieberer LM, Diehl S. Space-Time Vortex Driven Crossover and Vortex Turbulence Phase Transition in One-Dimensional Driven Open Condensates. Phys Rev Lett. 2017 Feb 24;118(8):085301. doi: 10.1103/PhysRevLett.118.085301. Epub 2017 Feb 21. PMID: 28282158.
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Phys Rev Lett. 2017 Feb 24;118(8):085301. doi: 10.1103/PhysRevLett.118.085301. Epub 2017 Feb 21.

Space-Time Vortex Driven Crossover and Vortex Turbulence Phase Transition in One-Dimensional Driven Open Condensates.

Physical review letters

Liang He, Lukas M Sieberer, Sebastian Diehl

Affiliations

  1. Institute for Theoretical Physics, Technical University Dresden, D-01062 Dresden, Germany.
  2. Institute for Theoretical Physics, University of Cologne, D-50937 Cologne, Germany.
  3. Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 7610001, Israel.
  4. Department of Physics, University of California, Berkeley, California 94720, USA.

PMID: 28282158 DOI: 10.1103/PhysRevLett.118.085301

Abstract

We find a first-order transition driven by the strength of nonequilibrium conditions of one-dimensional driven open condensates. Associated with this transition is a new stable nonequilibrium phase, space-time vortex turbulence, whose vortex density and quasiparticle distribution show strongly nonthermal behavior. Below the transition, we identify a new time scale associated with noise-activated unbound space-time vortices, beyond which, the temporal coherence function changes from a Kardar-Parisi-Zhang-type subexponential to a disordered exponential decay. Experimental realization of the nonequilibrium vortex turbulent phase is facilitated in driven open condensates with a large diffusion rate.

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