首页|Ground-state phase diagrams in spin-orbit coupled spin-3 Bose-Einstein condensates
Ground-state phase diagrams in spin-orbit coupled spin-3 Bose-Einstein condensates
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NSTL
Elsevier
We study the ground-state phases of spin-orbit coupled spin-3 Bose-Einstein condensates with the attractive and repulsive spin-singlet interactions, respectively. The competition between the interactions and spin-orbit coupling gives rise to abundant ground-state phases. For the system with the attractive spin-singlet interaction, a stripe phase is found with the weak spin-orbit coupling strength. The larger spin-orbit coupling drives the stripes to bend, which enhances the creation of the ring phase with the attractive spin-quintet interaction. Combining spin-orbit coupling and the repulsive spin-quintet interaction, two kinds of lattice phases are formed, namely the rectangular lattice and octagonal lattice phases. The system with the repulsive spinsinglet interaction possesses richer ground-state phases than the system dominated by the attractive spin-singlet interaction. Six distinct ground-state phases are identified, i.e., the stripe phase, the ring phase, the transition phase, the triangular lattice phase, the rectangular lattice phase and the octagonal lattice phase. These ground-state phase display a rich phase diagram. We compare the ground-state energies mutation point with the phase transition boundaries, and find that they are in good quantitative agreement. (C) 2022 Elsevier B.V. All rights reserved.
NSTL
Elsevier
