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Spin-orbit coupled weakly interacting Bose-Einstein condensates in harmonic traps.
- Source :
-
Physical review letters [Phys Rev Lett] 2012 Jan 06; Vol. 108 (1), pp. 010402. Date of Electronic Publication: 2012 Jan 04. - Publication Year :
- 2012
-
Abstract
- We investigate theoretically the phase diagram of a spin-orbit coupled Bose gas in two-dimensional harmonic traps. We show that at strong spin-orbit coupling the single-particle spectrum decomposes into different manifolds separated by ℏω{⊥}, where ω{⊥} is the trapping frequency. For a weakly interacting gas, quantum states with Skyrmion lattice patterns emerge spontaneously and preserve either parity symmetry or combined parity-time-reversal symmetry. These phases can be readily observed in a spin-orbit coupled gas of ^{87}Rb atoms in a highly oblate trap.
Details
- Language :
- English
- ISSN :
- 1079-7114
- Volume :
- 108
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 22304247
- Full Text :
- https://doi.org/10.1103/PhysRevLett.108.010402