Phase separation and metastability in a mixture of spin-1 and spin-2 Bose-Einstein condensates
arXiv:2404.14791 · doi:10.1103/PhysRevA.110.033328
Abstract
We investigate the ground state and dynamics of a mixture of spin-1 and spin-2 Bose-Einstein condensates of atoms. For the experimentally measured interaction coefficients, the ground state exhibits phase separation between the spin-1 ferromagnetic state and the spin-2 nematic state. At the interface between them, a partially polarized spin state emerges. The uniformly mixed state of the spin-1 polar state and spin-2 biaxial nematic state is metastable, and the phase separation via nucleation can be triggered by a local perturbation.
arXiv comment9 pages, 5 figures, 3 movies
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