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Opis

The recent experimental advances in manipulating ultra-cold atoms make it feasible to study coherent transport of Bose-Einstein condensates (BEC) through various mesoscopic structures. In this work the quasi-stationary propagation of BEC matter waves through two dimensional cavities is investigated using numerical simulations within the mean-field approach of the Gross-Pitaevskii equation. The focus is on the interplay between interference effects and the interaction term in the non-linear wave equation. One sees that the transport properties show a complicated behaviour with multi-stability, hysteresis and dynamical instabilities for non-vanishing interaction. Furthermore, the prominent weak localization effect, which is a robust interference effect emerging after taking a configuration average, is reduced and partially inverted for non-vanishing interaction.

Szczegóły książki

Kategoria Książki po angielsku Mathematics & science Physics Quantum physics (quantum mechanics & quantum field theory)

• Pełny tytuł: Transport of Bose-Einstein condensates through two dimensional cavities
• Autor: Timo Hartmann
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 226
• EAN: 9783868451191
• ID: 09135148
• Wydawca: Universitätsverlag Regensburg
• Waga: 560 g
• Wymiary: 240 × 170 × 13 mm
• Data wydania: 27. April 2015

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