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Bloch oscillations and quench dynamics of interacting bosons in an optical lattice
K. W. Mahmud, L. Jiang, E. Tiesinga +1
We study the dynamics of interacting superfluid bosons in a one dimensional vertical optical lattice after a sudden increase of the lattice potential depth. We show that this syste…
Formation and decay of Bose-Einstein condensates in an excited band of a double-well optical lattice
Saurabh Paul, Eite Tiesinga
We study the formation and collision-aided decay of an ultra-cold atomic Bose-Einstein condensate in the first excited band of a double-well 2D-optical lattice with weak harmonic c…
Dynamics of spin-1 bosons in an optical lattice: spin mixing, quantum phase revival spectroscopy and effective three-body interactions
K. W. Mahmud, E. Tiesinga
We study the dynamics of spin-1 atoms in a periodic optical-lattice potential and an external magnetic field in a quantum quench scenario where we start from a superfluid ground st…
Soliton dynamics of an atomic spinor condensate on a Ring Lattice
Indubala I Satija, Carlos L. Pando, Eite Tiesinga
We study the dynamics of macroscopically-coherent matter waves of an ultra-cold atomic spin-one or spinor condensate on a ring lattice of six sites and demonstrate a novel type of…
Controlling the group velocity of colliding atomic Bose-Einstein condensates with Feshbach resonances
Ranchu Mathew, Eite Tiesinga
We report on a proposal to change the group velocity of a small Bose Einstein Condensate (BEC) upon collision with another BEC in analogy to slowing of light passing through disper…