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Prethermalization in one-dimensional Bose gases: Description by a stochastic Ornstein-Uhlenbeck process

The European Physical Journal Special Topics volume 217, pages 43–53 (2013)Cite this article

Abstract

We experimentally study the relaxation dynamics of a coherently split one-dimensional Bose gas using matterwave interference. Measuring the full probability distributions of interference contrast reveals the prethermalization of the system to a non-thermal steady state. To describe the evolution of noise and correlations we develop a semiclassical effective description that allows us to model the dynamics as a stochastic Ornstein-Uhlenbeck process.

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Authors and Affiliations

  1. Vienna Center For Quantum Science and Technology, Atominstitut, TU Wien, Stadionallee 2, 1020, Wien, Austria

    Tim Langen, Michael Gring, Maximilian Kuhnert, Bernhard Rauer, Remi Geiger, David Adu Smith, Igor E. Mazets & Jörg Schmiedmayer

  2. Ioffe Physico-Technical Institute of the Russian Academy of Sciences, 194021, St. Petersburg, Russia

    Igor E. Mazets

Authors
  1. Tim Langen
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  2. Michael Gring
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  3. Maximilian Kuhnert
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  4. Bernhard Rauer
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  5. Remi Geiger
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  6. David Adu Smith
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  7. Igor E. Mazets
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  8. Jörg Schmiedmayer
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Correspondence to Jörg Schmiedmayer.

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Langen, T., Gring, M., Kuhnert, M. et al. Prethermalization in one-dimensional Bose gases: Description by a stochastic Ornstein-Uhlenbeck process. Eur. Phys. J. Spec. Top. 217, 43–53 (2013). https://doi.org/10.1140/epjst/e2013-01752-0

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  • DOI: https://doi.org/10.1140/epjst/e2013-01752-0

Keywords

  • European Physical Journal Special Topic
  • Quantum Phasis
  • Thermal Equilibrium State
  • Atom Chip
  • Mesoscopic Physics