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Showing 2016 · cond-mat.quant-gasShow all
2 papers · 2 filters
cond-mat.quant-gas2016★ 19 cited
Nonlinear Phenomena of Ultracold Atomic Gases in Optical Lattices: Emergence of Novel Features in Extended States
Gentaro Watanabe, B. Prasanna Venkatesh, Raka Dasgupta
The system of a cold atomic gas in an optical lattice is governed by two factors: nonlinearity originating from the interparticle interaction, and the periodicity of the system set…
cond-mat.quant-gas2016★ 8 cited
Attraction-induced dynamical stability of a Bose-Einstein condensate in a nonlinear lattice
Raka Dasgupta, B. Prasanna Venkatesh, Gentaro Watanabe
We study multiple-period Bloch states of a Bose-Einstein condensate with spatially periodic interactomic interaction. Solving the Gross-Pitaevskii equation for the continuum model,…