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Driven Topological Systems in the Classical Limit
Callum W. Duncan, Patrik Ohberg, Manuel Valiente
Periodically-driven quantum systems can exhibit topologically non-trivial behaviour, even when their quasi-energy bands have zero Chern numbers. Much work has been conducted on non…
Double and negative reflection of cold atoms in non-Abelian gauge potentials
Gediminas Juzeliunas, Julius Ruseckas, Andreas Jacob +2
Atom reflection is studied in the presence of a non-Abelian vector potential proportional to a spin-1/2 operator. The potential is produced by a relatively simple laser configurati…
Elementary Excitations of a Bose-Einstein Condensate in an Effective Magnetic Field
D. R. Murray, P. Öhberg, Damiá Gomila +1
We calculate the low energy elementary excitations of a Bose-Einstein Condensate in an effective magnetic field. The field is created by the interplay between light beams carrying…