Dynamics of parametric matter-wave amplification

Robert Bücker, Ulrich Hohenester, Tarik Berrada, Sandrine van Frank, Aurélien Perrin, Stephanie Manz, Thomas Betz, Julian Grond, Thorsten Schumm, and Jörg Schmiedmayer
Phys. Rev. A 86, 013638 – Published 23 July 2012

Abstract

We develop a model for parametric amplification, based on a density matrix approach, which naturally accounts for the peculiarities arising for matter waves: significant depletion and explicit time dependence of the source state population, long interaction times, and spatial dynamics of the amplified modes. We apply our model to explain the details in an experimental study on twin-atom beam emission from a one-dimensional degenerate Bose gas.

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  • Received 23 March 2012

DOI:https://doi.org/10.1103/PhysRevA.86.013638

©2012 American Physical Society

Authors & Affiliations

Robert Bücker1, Ulrich Hohenester2,*, Tarik Berrada1, Sandrine van Frank1, Aurélien Perrin1,3, Stephanie Manz1,4,5, Thomas Betz1,4,6, Julian Grond2,7, Thorsten Schumm1, and Jörg Schmiedmayer1

  • 1Vienna Center for Quantum Science and Technology, Atominstitut, TU Wien, Stadionallee 2, 1020 Vienna, Austria
  • 2Institut für Physik, Karl-Franzens-Universität Graz, Universitätsplatz 5, 8010 Graz, Austria
  • 3Laboratoire de physique des lasers, CNRS, Universität Paris 13, 99 avenue J.-B. Clément, 93430 Villetaneuse, France
  • 4Center for Free-Electron Laser Science, Notkestrasse 85, 22607 Hamburg, Germany
  • 5MPSD at the University of Hamburg, Notkestrasse 85, 22607 Hamburg, Germany
  • 6Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany
  • 7Theoretische Chemie, Universität Heidelberg, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany

  • *ulrich.hohenester@uni-graz.at

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Vol. 86, Iss. 1 — July 2012

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