Perumbil, Manju; Hardman, Kyle; Sooriyabandara, Mahasen; Wigley, Paul; Close, John; Robins, Nicholas; Hush, Michael R.; Szigeti, Stuart
The transmission of an interacting Bose-Einstein condensate incident on a repulsive Gaussian barrier is investigated through numerical simulation. The dynamics associated with interatomic interactions are studied across a broad parameter range not previously explored. Effective one-dimensional Gross-Pitaevskii equation (GPE) simulations are compared to classical Boltzmann-Vlasov equation (BVE) simulations in order to isolate purely coherent matter-wave effects. Quantum tunneling is then defined...[Show more]
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