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Bose-Einstein Condensation Dynamics from the Numerical Solution of the Gross-Pitaevskii Equation by the Pseudospectral Method
Paulsamy Muruganandam, Sadhan K. Adhikari
We study certain stationary and time-evolution problems of trapped Bose-Einstein condensates of weakly interacting alkali atoms described by a nonlinear Gross-Pitaevskii (GP) equat…
Expansion of a Bose-Einstein condensate formed on a joint harmonic and one-dimensional optical-lattice potentials
Sadhan K. Adhikari
We study the expansion of a Bose-Einstein condensate trapped in a combined optical-lattice and axially-symmetric harmonic potentials using the numerical solution of the mean-field…
Bright vortex solitons in Bose Condensates
Sadhan K. Adhikari
We suggest the possibility of observing and studying bright vortex solitons in attractive Bose-Einstein condensates in three dimensions with a radial trap. Such systems lie on the…
Critical number of atoms in an attractive Bose-Einstein condensate on an optical plus harmonic traps
Sadhan K. Adhikari
The stability of an attractive Bose-Einstein condensate on a joint one-dimensional optical lattice and an axially-symmetric harmonic trap is studied using the numerical solution of…
Loss of superfluidity in a Bose-Einstein condensate via forced resonant oscillations
Sadhan K. Adhikari
We predict the loss of superfluidity in a Bose-Einstein condensate in an axially symmetric harmonic trap alone during resonant collective oscillations via a classical dynamical tra…