Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2003-07-23
Phys. Rev. A 68 (2003) 011604(R)
Physics
Condensed Matter
Soft Condensed Matter
4 pages
Scientific paper
10.1103/PhysRevA.68.011604
We theoretically study a pulsed stimulated two-photon Raman outcoupler for an atom laser using a full three-dimensional description. A finite-temperature trapped Bose-condensed atomic gas is treated self-consistently by the Hartree-Fock-Bogoliubov equations. The model is closely related to a recent experiment on optical outcoupling [E.W. Hagley et al., Science 283, 1706 (1999)]. We analyze the momentum distribution of the output atoms and show how the output beam may be used as a probe of the quantum state for the trapped atomic gas and how it could be engineered and controlled in a nonlinear way.
Gasenzer Thomas
Hutchinson David A. W.
Ruostekoski Janne
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