低维玻色-爱因斯坦凝聚体的实现。
Realization of Bose-Einstein condensates in lower dimensions.
作者信息
Görlitz A, Vogels J M, Leanhardt A E, Raman C, Gustavson T L, Abo-Shaeer J R, Chikkatur A P, Gupta S, Inouye S, Rosenband T, Ketterle W
机构信息
Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
出版信息
Phys Rev Lett. 2001 Sep 24;87(13):130402. doi: 10.1103/PhysRevLett.87.130402. Epub 2001 Sep 4.
Bose-Einstein condensates of sodium atoms have been prepared in optical and magnetic traps in which the energy-level spacing in one or two dimensions exceeds the interaction energy between atoms, realizing condensates of lower dimensionality. The crossover into two-dimensional and one-dimensional condensates was observed by a change in aspect ratio and by the release energy converging to a nonzero value when the number of trapped atoms was reduced.
钠原子的玻色 - 爱因斯坦凝聚体已在光学和磁阱中制备出来，其中在一或二维中的能级间距超过原子间的相互作用能，从而实现了低维凝聚体。通过纵横比的变化以及当捕获原子数减少时释放能量收敛到非零值，观测到了向二维和一维凝聚体的转变。
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