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Effects of interatomic collisions on atom-laser outcoupling

Lookup NU author(s): Professor Nikolaos ProukakisORCiD

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Abstract

We present a computational approach to the outcoupling in a simple one-dimensional atom-laser model, the objective being to circumvent mathematical difficulties arising from the breakdown of the Born and Markov approximations. The approach relies on the discretization of the continuum representing the reservoir of output modes, which allows the treatment of arbitrary forms of outcoupling as well as the incorporation of nonlinear terms in the Hamiltonian, associated with interatomic collisions. By considering a single-mode trapped condensate, we study the influence of elastic collisions between trapped and free atoms on the quasi steady-state population of the trap, as well as the energy distribution and the coherence of the outcoupled atoms.

Publication metadata

Author(s): Nikolopoulos GM, Lambropoulos P, Proukakis NP

Publication type: Article

Publication status: Published

Journal: Journal of Physics B: Atomic, Molecular and Optical Physics

Year: 2003

Volume: 36

Issue: 13

Pages: 2797-2816

ISSN (print): 0953-4075

ISSN (electronic): 1361-6455

Publisher: Institute of Physics Publishing Ltd.

URL: http://dx.doi.org/10.1088/0953-4075/36/13/310

DOI: 10.1088/0953-4075/36/13/310

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