Exact Nonstationary Solutions of a Two-Component Bose-Einstein Condensate

Lǔ, Binbin, Hao +3 more

Tang Ji-qing, Yu Hui-You, Yan Jia-Ren +1 more

We investigate the exact nonstationary solutions of a two-component Bose–Einstein condensate which compose of two species having different atomic masses. We also consider the interesting behavior of the atomic velocity and the flow density. It is shown that the motion of the two components can be controlled by the experimental parameters.

Eunsil Baik

R. Mark Bradley, Bernard Deconinck, J Nathan Kutz

We study the dynamics of two-component Bose–Einstein condensates in periodic potentials in one dimension. Elliptic potentials which have the sinusoidal optical potential as a special case are considered. We construct exact nonstationary solutions to the mean-field equations of motion. Among the solutions are two types of temporally periodic solutions—in one type there are condensate oscillations between neighbouring potential wells, while in the other the condensates oscillate from side to side within the wells. Our numerical studies of the stability of these solutions suggest the existence of one-parameter families of stable nonstationary solutions.

张聪, 张志海, 杨师杰

Bin-Bin Lü, Xue Hao, Qiang Tian

This paper investigates the dynamical properties of nonstationary solutions in one-dimensional two-component Bose—Einstein condensates. It gives three kinds of stationary solutions to this model and develops a general method of constructing nonstationary solutions. It obtains the unique features about general evolution and soliton evolution of nonstationary solutions in this model.