Supersolid-like states in a two-dimensional trapped spin-orbit-coupled spin-1 condensate

Abstract

We study supersolid-like states in a quasi-two-dimensional trapped Rashba and Dresselhaus spin-orbit (SO) coupled spin-1 condensate. For small strengths of SO coupling $\gamma$ ($\gamma ⪅0.75$), in the ferromagnetic phase, circularly-symmetric $(0,\pm 1,\pm 2)$- and $(\mp 1,0,\pm 1)$-type states are formed where the numbers in the parentheses denote the angular momentum of the vortex at the center of the components and where the upper (lower) sign correspond to Rashba (Dresselhaus) coupling; in the antiferromagnetic phase, only $(\mp 1,0,\pm 1)$-type states are formed. For large strengths of SO coupling, supersolid-like superlattice and superstripe states are formed in the ferromagnetic phase. In the antiferromagnetic phase, for large strengths of SO coupling, supersolid-like superstripe and multi-ring states are formed. For an equal mixture of Rashba and Dresselhaus SO couplings, only a superstripe state is found. All these states are found to be dynamically stable and hence accessible in an experiment and will enhance the fundamental understanding of crystallization onto spatially periodic states in solids.

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Cited by in corpus (6)

• Supersolid-like square- and honeycomb-lattice crystallization of droplets in a dipolar condensate
• Symbiotic solitons in a quasi-one- and quasi-two-dimensional spin-1 condensates
• Supersolid-like square- and triangular-lattice crystallization of dipolar droplets in a box trap
• Emergence of unstable avoided crossing in the collective excitations of spin-1 spin-orbit coupled Bose-Einstein condensates
• Dipole-mode and scissors-mode oscillations of a dipolar supersolid
• Spatial order in a two-dimensional spin-orbit-coupled spin-1/2 condensate: superlattice, multi-ring and stripe formation