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Non-equilibrium Dynamics of One-Dimensional Bose Gases

  • Book
  • © 2015

Overview

Authors:
  1. Tim Langen

    1. JILA, NIST and University of Colorado, Boulder, USA

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  • Nominated as an outstanding PhD thesis by the Technische Universität Wien, Austria
  • Provides a clear introduction to the experimental and theoretical state-of-the-art in a rapidly growing research field
  • Presents a remarkable collection of high-profile results addressing one of the oldest unresolved questions in quantum many-body physics
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (8 chapters)

  1. Front Matter

    Pages i-xv
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  2. Introduction to One-Dimensional Bose Gases

    • Tim Langen
    Pages 1-37

  3. Experimental Realization of One-Dimensional Bose Gases

    • Tim Langen
    Pages 39-65

  4. Isolated Quantum Systems Out of Equilibrium

    • Tim Langen
    Pages 67-74

  5. Relaxation and Prethermalization in One-Dimensional Bose Gases

    • Tim Langen
    Pages 75-95

  6. Local Emergence of Thermal Correlations

    • Tim Langen
    Pages 97-109

  7. Experimental Observation of a Generalized Gibbs Ensemble

    • Tim Langen
    Pages 111-121

  8. Relaxation Dynamics in an Imbalanced Pair of One-Dimensional Bose Gases

    • Tim Langen
    Pages 123-133

  9. Conclusion and Outlook

    • Tim Langen
    Pages 135-140

  10. Back Matter

    Pages 141-146
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Keywords

About this book

This work presents a series of experiments with ultracold one-dimensional Bose gases, which establish said gases as an ideal model system for exploring a wide range of non-equilibrium phenomena. With the help of newly developed tools, like full distributions functions and phase correlation functions, the book reveals the emergence of thermal-like transient states, the light-cone-like emergence of thermal correlations and the observation of generalized thermodynamic ensembles. This points to a natural emergence of classical statistical properties from the microscopic unitary quantum evolution, and lays the groundwork for a universal framework of non-equilibrium physics. The thesis investigates a central question that is highly contested in quantum physics: how and to which extent does an isolated quantum many-body system relax? This question arises in many diverse areas of physics, and many of the open problems appear at vastly different energy, time and length scales, ranging from high-energy physics and cosmology to condensed matter and quantum information. A key challenge in attempting to answer this question is the scarcity of quantum many-body systems that are both well isolated from the environment and accessible for experimental study.

Authors and Affiliations

  • JILA, NIST and University of Colorado, Boulder, USA

    Tim Langen

About the author

Dr. Tim Langen studied physics in Mainz, Marseille, Paris and Vienna. He is currently a postdoctoral fellow at JILA, Boulder. His research interests include atomic and molecular physics, quantum optics and quantum many-body systems.

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