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Producing superfluid circulation states using phase imprinting
2018
Physical Review A
We propose a method to prepare states of given quantized circulation in annular Bose-Einstein condensates (BEC) confined in a ring trap using the method of phase imprinting without relying on a two-photon angular momentum transfer. The desired phase profile is imprinted on the atomic wave function using a short light pulse with a tailored intensity pattern generated with a Spatial Light Modulator. We demonstrate the realization of 'helicoidal' intensity profiles suitable for this purpose. Due
doi:10.1103/physreva.97.043615
fatcat:35n4jbfbzzfibpqhtonzzsnv5m