The Phase Diagrams of F=2 Spinor Bose Condensates

Abstract

We show that there are three possible phases for a spin-2 spinor Bose condensate, one more compared to the spin-1 case. The order parameters of these phases are the spontaneous magnetization and the singlet pair amplitude. Current estimates of scattering lengths show that all three phases have realizations in optically trapped alkali atoms. There is also a one-to-one correspondence between the structure of a spin-2 spinor Bose condensate and that of a d-wave BCS superfluid.

4 pages, 2 figures. A minor correction: a statement on inverted multiplet in the opening paragraph is restated

References in corpus (3)

• Spin domains in ground state spinor Bose-Einstein condensates
• Bose-Einstein condensation with internal degrees of freedom in alkali atom gases
• Quantum spins mixing in spinor Bose-Einstein condensates

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