Predicting Spinor Condensate Dynamics from Simple Principles

M. Moreno-Cardoner, J. Mur-Petit, M. Guilleumas, A. Polls, A. Sanpera, and M. Lewenstein
Phys. Rev. Lett. 99, 020404 – Published 13 July 2007

Abstract

We study the spin dynamics of quasi-one-dimensional F=1 condensates both at zero and finite temperatures for arbitrary initial spin configurations. The rich dynamical evolution exhibited by these nonlinear systems is explained by surprisingly simple principles: minimization of energy at zero temperature and maximization of entropy at high temperature. Our analytical results for the homogeneous case are corroborated by numerical simulations for confined condensates in a wide variety of initial conditions. These predictions compare qualitatively well with recent experimental observations and can, therefore, serve as a guidance for ongoing experiments.

  • Figure
  • Figure
  • Received 14 November 2006

DOI:https://doi.org/10.1103/PhysRevLett.99.020404

©2007 American Physical Society

Authors & Affiliations

M. Moreno-Cardoner1, J. Mur-Petit2,*, M. Guilleumas1, A. Polls1, A. Sanpera3, and M. Lewenstein4

  • 1Departament d’Estructura i Constituents de la Matèria, Facultat de Física, Universitat de Barcelona, E-08028 Barcelona, Spain
  • 2IFRAF and Laboratoire Aimé Cotton, CNRS & Université Paris-Sud, F-91405 Orsay, France
  • 3ICREA and Grup de Física Teòrica, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain
  • 4ICREA and ICFO-Institut de Ciències Fotòniques, E-08034 Barcelona, Spain

  • *Present address: Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, U.K. jordi.mur@lac.u-psud.fr

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 99, Iss. 2 — 13 July 2007

Reuse & Permissions
Access Options

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×