Coherent Photo-Association in Double-Well Bose-Einstein Condensates
JING Hui1,2, GE Mo-Lin2, WANG Yu-Zhu1
1Laboratory for Quantum Optics, Shanghai Institute of Fine Machines and Optics, Chinese Academe of Sciences, Shanghai 201800
2Theoretical Physics Division, Nankai Institute of Mathematics, Nankai University, Tianjin 300071
Coherent Photo-Association in Double-Well Bose-Einstein Condensates
JING Hui1,2;GE Mo-Lin2;WANG Yu-Zhu1
1Laboratory for Quantum Optics, Shanghai Institute of Fine Machines and Optics, Chinese Academe of Sciences, Shanghai 201800
2Theoretical Physics Division, Nankai Institute of Mathematics, Nankai University, Tianjin 300071
Abstract： We investigate the quantum dynamics and statistics of an interesting system of the double-well Bose-Einstein condensates in the presence of a coherent photo-association process occurring in one of the two wells. Through the analytical solutions of a simplified model of the atom-molecule condensate, our results show the important impact of initial state preparations on the atomic coherence, especially the different squeezing behaviour for the case of photo-association via left-well atoms tunnelling from initial right-well atomic condensate, which holds the promise to be observed in the present laboratory.
2003, Vol. 20 
