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Díaz García, Elena ; Gau, C. ; Lima, R. P. A. ; Domínguez-Adame Acosta, Francisco ; Mueller, C. A. | American Physical Society | 2010-05Bloch oscillations of Bose-Einstein condensates realize sensitive matter-wave interferometers. We investigate the dynamics and stability of bright-soliton wave packets in one-dimensional tilted optical lattices with a modulated mean-field intera[...]texto impreso
Gaul, Christopher ; Díaz García, Elena ; Lima, Rodrigo P. A ; Domínguez-Adame Acosta, Francisco ; Mueller, C. A. | American Physical Society | 2011-11-23We consider Bloch oscillations of Bose-Einstein condensates in the presence of a time-modulated s-wave scattering length. Generically, the interaction leads to dephasing and decay of the wave packet. Based on a cyclic-time argument, we find-in a[...]texto impreso
Gaul, C. ; Lima, R. P. A. ; Díaz García, Elena ; Mueller, C. A. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2009-06-26We investigate Bloch oscillations of interacting cold atoms in a mean-field framework. In general, atom-atom interaction causes dephasing and destroys Bloch oscillations. Here we show that Bloch oscillations are persistent if the interaction is [...]texto impreso
Munarriz, J. ; Gaul, C. ; Malyshev, Andrey ; Orellana, P. A. ; Mueller, C. A. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2013-10We find clear signatures of spin-dependent negative differential resistance in compound systems comprising a graphene nanoribbon and a set of ferromagnetic insulator strips deposited on top of it. The periodic array of ferromagnetic strips induc[...]
