Macroscopic Quantum Tunnelling in Rotating Bose-Einstein Condensates
  In this paper we investigate the macroscopic quantum tunnelling and the phase coherence property of the rotating Bose-Einstein condensates in both static and dynamic cases by using the mean field theory. 
Yuan-Xiu Miao, Hui Zhai, Hong-Yu Yang and Lee Chang (Center for   Advanced Study, P.R China)