Strongly correlated quantum fluids: ultracold quantum gases, quantum chromodynamic plasmas and holographic duality The dynamics and prethermalization of one-dimensional quantum systems probed through the full distributions of quantum noise

  • Barmettler P
  • Punk M
  • Gritsev V
 et al. 
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Abstract

Please note that terms and conditions apply. The dynamics and prethermalization of one-dimensional quantum systems probed through the full distributions of quantum noise View the table of contents for this issue, or go to the journal homepage for more 2011 New J. Phys. 13 073018 Spin squeezing, entanglement and quantum metrology with Bose--Einstein condensates Christian Gross Local relaxation and light-cone-like propagation of correlations in a trapped one-dimensional Bose gas R Geiger, T Langen, I E Mazets et al. PhD Tutorial: Quantum field theory for trapped Bose–Einstein condensates J Rogel-Salazar, S Choi, G H C New et al. T h e o p e n – a c c e s s j o u r n a l f o r p h y s i c s Abstract. Quantum noise correlations have been employed in several areas of physics, including condensed matter, quantum optics and ultracold atoms, to reveal the non-classical states of the systems. To date, such analyses have mostly focused on systems in equilibrium. In this paper, we show that quantum noise is also a useful tool for characterizing and studying the non-equilibrium dynamics of a one-dimensional (1D) system. We consider the Ramsey sequence of 1D, two-component bosons, and obtain simple, analytical expressions for time evolutions of the full distribution functions for this strongly correlated, many-body system. The analysis can also be directly applied to the evolution of interference patterns between two 1D quasi-coindensates created from a single condensate through splitting. Using the tools developed in this paper, we demonstrate that 1D dynamics in these systems exhibits the phenomenon known as 'prethermalization', where the observables of non-equilibrium, long-time transient states become indistinguishable from those of thermal equilibrium states.

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Authors

  • Peter Barmettler

  • Matthias Punk

  • Vladimir Gritsev

  • Allan Adams

  • Lincoln D Carr

  • Thomas Schäfer

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