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Patterning by dynamically unstable spin–orbit-coupled Bose–Einstein condensates

Author

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  • Zhai, Yunjia
  • Zhang, Yongping

Abstract

In a two-dimensional atomic Bose–Einstein condensate, we demonstrate Rashba spin–orbit coupling can always introduce dynamical instability into specific zero-quasimomentum states in all parameter regimes. During the evolution of the zero-quasimomentum states, such spin–orbit-coupling-induced instability can fragment the states and lead to a dynamically patterning process. The features of formed patterns are identified from the symmetries of the Bogoliubov–de Gennes Hamiltonian. We show that spin–orbit-coupled Bose–Einstein condensates provide an interesting platform for the investigation of pattern formations.

Suggested Citation

  • Zhai, Yunjia & Zhang, Yongping, 2023. "Patterning by dynamically unstable spin–orbit-coupled Bose–Einstein condensates," Chaos, Solitons & Fractals, Elsevier, vol. 174(C).
    • Handle: RePEc:eee:chsofr:v:174:y:2023:i:c:s0960077923007361
    DOI: 10.1016/j.chaos.2023.113835
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