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Finite Pulse Ratchet Effect of Cold Atoms
(2021-03-23)
The thesis presents the modelling and simulation of the rachet effect created by a spatio temporal asymmetry potential. The potential is a coupled spatial asymmetry sin wave and a rectangular pulse train. The effective ...
Noise-Enhanced Directed Transport of Cold Atoms
(2021-03-14)
The possibility of enhancing directed transport for a driven quantum particle in the presence of noise is investigated. Specifically, we deal with cold atoms trapped in an asymmetric optical lattice potential (ratchet ...