Spin-orbit coupled soliton in a random potential

Abstract

We investigate theoretically the dynamics of a spin-orbit coupled soliton formed by a self- interacting Bose-Einstein condensate immersed in a random potential, in the presence of an artificial magnetic field. We find that due to the anomalous spin-dependent velocity, the synthetic Zeeman coupling can play a critical role in the soliton dynamics by causing its localization or delocalization, depending on the coupling strength and on the parameters of the random potential. The observed effects of the Zeeman coupling qualitatively depend on the type of self-interaction in the condensate since the spin state and the self-interaction energy of the condensate are mutually related if the invariance of the latter with respect to the spin rotation is lifted.

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Cited by in corpus (13)

• Bright solitons in a spin-tensor-momentum-coupled Bose-Einstein condensate
• Spin-orbit-coupled spinor gap solitons in Bose-Einstein condensates
• Quench induced chaotic dynamics of Anderson localized interacting Bose-Einstein condensates in one dimension
• Spin-orbit-coupling-induced phase separation in trapped Bose gases
• Effects of optical lattices on bright solitons in spin-orbit coupled Bose-Einstein condensates
• Emergence of unstable avoided crossing in the collective excitations of spin-1 spin-orbit coupled Bose-Einstein condensates
• Supercurrent-carrying supersolid in spin-orbit-coupled Bose-Einstein condensates
• Two dimensional Quantum droplets in random repulsive potential
• Dynamical Zeeman resonance in spin-orbit-coupled spin-1 Bose gases
• Spin-dependent localization of spin-orbit and Rabi-coupled Bose-Einstein condensates in a random potential
• Rabi-induced localization and resonant delocalization of a binary condensate in a spin-asymmetric quasiperiodic potential
• Double unstable avoided crossings and complex domain patterns formation in spin-orbit coupled spin-1 condensates
• Stabilizing period-doubled density waves by spin-orbit coupling in Bose-Einstein condensates in optical lattices