Dynamics of Bose-Einstein condensates in optical lattices
O Morsch, M Oberthaler - Reviews of modern physics, 2006 - APS
Matter waves inside periodic potentials are well known from solid-state physics, where
electrons interacting with a crystal lattice are considered. Atomic Bose-Einstein condensates …
electrons interacting with a crystal lattice are considered. Atomic Bose-Einstein condensates …
[HTML][HTML] Cold bosons in optical lattices
VI Yukalov - Laser Physics, 2009 - Springer
Basic properties of cold Bose atoms in optical lattices are reviewed. The main principles of
correct self-consistent description of arbitrary systems with Bose-Einstein condensate are …
correct self-consistent description of arbitrary systems with Bose-Einstein condensate are …
Nonlinear waves in Bose–Einstein condensates: physical relevance and mathematical techniques
R Carretero-González, DJ Frantzeskakis… - …, 2008 - iopscience.iop.org
The aim of this review is to introduce the reader to some of the physical notions and the
mathematical methods that are relevant to the study of nonlinear waves in Bose–Einstein …
mathematical methods that are relevant to the study of nonlinear waves in Bose–Einstein …
Superfluidity of Bose–Einstein condensate in an optical lattice: Landau–Zener tunnelling and dynamical instability
B Wu, Q Niu - New journal of Physics, 2003 - iopscience.iop.org
Abstract Superflow of a Bose–Einstein condensate in an optical lattice is represented by a
Bloch wave, a plane wave with periodic modulation of the amplitude. We review the …
Bloch wave, a plane wave with periodic modulation of the amplitude. We review the …
Band structure, elementary excitations, and stability of a Bose-Einstein condensate in a periodic potential
M Machholm, CJ Pethick, H Smith - Physical Review A, 2003 - APS
We investigate the band structure of a Bose-Einstein condensate in a one-dimensional
periodic potential by calculating stationary solutions of the Gross-Pitaevskii equation, which …
periodic potential by calculating stationary solutions of the Gross-Pitaevskii equation, which …
Lattice solitons in Bose-Einstein condensates
NK Efremidis, DN Christodoulides - Physical Review A, 2003 - APS
We systematically study the properties of lattice solitons in Bose-Einstein condensates with
either attractive or repulsive atom interactions. This is done, by exactly solving the mean …
either attractive or repulsive atom interactions. This is done, by exactly solving the mean …
Superfluidity and mean-field energy loops: Hysteretic behavior in Bose-Einstein condensates
EJ Mueller - Physical Review A, 2002 - APS
We present a theory of hysteretic phenomena in Bose gases, using superfluidity in one-
dimensional rings and in optical lattices as primary examples. Through this study we are …
dimensional rings and in optical lattices as primary examples. Through this study we are …
Ultracold atoms confined in an optical lattice plus parabolic potential: A closed-form approach
We discuss interacting and noninteracting one dimensional atomic systems trapped in an
optical lattice plus a parabolic potential. We show that, in the tight-binding approximation …
optical lattice plus a parabolic potential. We show that, in the tight-binding approximation …
Interaction-enhanced group velocity of bosons in the flat band of an optical kagome lattice
Geometric frustration of particle motion in a kagome lattice causes the single-particle band
structure to have a flat s-orbital band. We probe this band structure by placing a Bose …
structure to have a flat s-orbital band. We probe this band structure by placing a Bose …
Regular spatial structures in arrays of Bose–Einstein condensates induced by modulational instability
BB Baizakov, VV Konotop… - Journal of Physics B …, 2002 - iopscience.iop.org
We show that the phenomenon of modulational instability in arrays of Bose–Einstein
condensates confined to optical lattices gives rise to coherent spatial structures of localized …
condensates confined to optical lattices gives rise to coherent spatial structures of localized …