scholarly journals Drag Force and Superfluidity in the Supersolid Stripe Phase of a Spin–Orbit-Coupled Bose–Einstein Condensate

2018 ◽  
Vol 127 (5) ◽  
pp. 865-876
Author(s):  
G. I. Martone ◽  
G. V. Shlyapnikov
Keyword(s):  
Drag Force ◽  
Einstein Condensate ◽  
Spin Orbit ◽  
Stripe Phase ◽  
Bose Einstein Condensate ◽  
Bose Einstein

Stability of the half-vortex in spin-orbit coupled Bose–Einstein condensate

2016 ◽  
Vol 30 (36) ◽  
pp. 1650423
Author(s):  
Rukuan Wu
Keyword(s):  
Numerical Simulation ◽  
Einstein Condensate ◽  
Pitaevskii Equation ◽  
Spin Orbit ◽  
Trap Center ◽  
Stripe Phase ◽  
Vortex Stability ◽  
Bose Einstein Condensate ◽  
Bose Einstein ◽  
Multi Mode

The half-vortex stability of the stripe phase in spin-orbit (SO) coupled Bose–Einstein condensate (BEC) is discussed through the multi-mode theory. We find that when the energy of the Rabi coupling is close to zero, the half-vortex in the trap center is always dynamically stable; when the energy becomes larger, the vortex may be structurally unstable. Both of the results are confirmed by the numerical simulation of the full Gross–Pitaevskii equation.

Inverted solitons in a spin-orbit-coupled Bose-Einstein condensate

2017 ◽  
Vol 392 ◽  
pp. 214-217 ◽  
Author(s):  
Huagang Li ◽  
Xing Zhu ◽  
Zhiwei Shi
Keyword(s):  
Einstein Condensate ◽  
Spin Orbit ◽  
Bose Einstein Condensate ◽  
Bose Einstein
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