Supported by the National Natural Science Foundation of China (Grant Nos. 10588402, 10474055, 10874045);National Basic Research Program of China (Grant No. 2006CB921104);Science and Technology Commission of Shanghai Municipal-ity (Grant No. 05PJ14038, 08PJ1402000);Program of Shanghai Subject Chief Scien-tist (Grant No. 08XD14017);Program for Changjiang Scholars and Innovative Research Team in University, Shanghai Leading Academic Discipline Project (Grant No. B480)
We study the stationary and propagating solutions for a Bose-Einstein condensate (BEC) in a periodic optical potential with an additional confining optical or magnetic potential. Using an effective mass approximation ...