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Goldman, N. ; Satija, I. ; Nikolic, P. ; Bermúdez, A. ; Martín-Delgado Alcántara, Miguel Ángel ; Lewenstein, M. ; Spielman, I.B. | American Physical Society | 2010-12-16We lay out an experiment to realize time-reversal invariant topological insulators in alkali atomic gases. We introduce an original method to synthesize a gauge field in the near field of an atom chip, which effectively mimics the effects of spi[...]texto impreso
Creffield, Charles E. ; Pieplow, G. ; Sols Lucía, Fernando ; Goldman, N. | IOP Publishing | 2016-09-06Shaking a lattice system, by modulating the location of its sites periodically in time, is a powerful method to create effective magnetic fields in engineered quantum systems, such as cold gases trapped in optical lattices. However, such schemes[...]texto impreso
Bermúdez, A. ; Mazza, L. ; Rizzi, M. ; Goldman, N. ; Lewenstein, M. ; Martín-Delgado Alcántara, Miguel Ángel | American Physical Society | 2010-11-04We show that ultracold Fermi gases in optical superlattices can be used as quantum simulators of relativistic lattice fermions in 3 þ 1 dimensions. By exploiting laser-assisted tunneling, we find an analogue of the so-called naive Dirac fermions[...]
