Abstract
In the framework of time-dependent two-dimensional Gross-Pitaevskii equation, we investigate the dynamics of vortex formation in rotating dipolar Bose-Einstein condensates in synthetic magnetic field (SMF) and compare with rotating frame (RF) method. The formation of vortices are calculated, considering effects of the rotational frequency, dipole strength, tilting angle and trap ratio. The results we found are that in SMF, the formation of steady state vortices is much slower than that in RF, and it is more difficult to add large angular momentum to the condensates than to do so in RF.
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Acknowledgments
The authors would like to thank Professor Weizhu Bao and Yongyong Cai for kind support in numerical calculations. This work is supported by the Applied Basic Research programs of Tangshan (Grant No. 18130219a), the Innovation Fund (Grant No. X2017287) and Ph.D. Start-up Fund (Grant No. BS2017096) of North China University of Science and Technology.
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Zhao, Q., Qiu, ZQ. & Zhang, Ll. Vortex Dynamics of Rotating Dipolar Bose-Einstein Condensates in Synthetic Magnetic Field. Int J Theor Phys 57, 3658–3667 (2018). https://doi.org/10.1007/s10773-018-3879-z
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DOI: https://doi.org/10.1007/s10773-018-3879-z