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Lookup NU author(s): Professor Nikolaos Proukakis
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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.
Author(s): Nikolopoulos GM, Lambropoulos P, Proukakis NP
Publication type: Article
Publication status: Published
Journal: Journal of Physics B: Atomic, Molecular and Optical Physics
ISSN (print): 0953-4075
ISSN (electronic): 1361-6455
Publisher: Institute of Physics Publishing Ltd.
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