Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1998),
  • paper QTuB5

Light scattering from two Bose-Einstein condensates: effects of macroscopic quantum coherence

Not Accessible

Your library or personal account may give you access

Abstract

We consider two overlapping and optically thin dilute gas Bose-Einstein condensates occupying two different Zeeman sublevels. We propose an optical method for increasing the number of condensate atoms. Two laser beams drive Raman transitions between the Zeeman states and induce a coherent quantum tunneling between the Bose-Einstein condensates. The scattering of photons is dominantly coherent and in the forward direction due to the Bose enhancement. This corresponds to the scattering of atoms between the two condensates. Some laser-driven Raman transitions also scatter atoms between the condensate and noncondensate atom fractions. For a range of condensate phase differences there is destructive quantum interference of the amplitudes for scattering atoms out of the condensates. Because the total atom scattering rate into the condensates is unaffected the condensates grow. This mechanism is analogous to that responsible for optical lasing without inversion, and it may find application as a pump for an atom laser.

© 1998 Optical Society of America

PDF Article
More Like This
Quantum state of two coupled Bose-Einstein condensates

M.J. Steel, M.J. Collett, D.F. Walls, and E.M. Wright
QTuB3 International Quantum Electronics Conference (IQEC) 1998

Recent Advances in Bose-Einstein Condensation

Wolfgang Ketterle
Plen1 European Quantum Electronics Conference (EQEC) 1998

Recent Advances in Bose-Einstein Condensation

Wolfgang Ketterle
Plen1 The European Conference on Lasers and Electro-Optics (CLEO/Europe) 1998

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved