Symmetry classification of uniform states in spin-2 Bose-Einstein condensates and neutron 3P2 superfluids
Abstract
We clarify a relation between the Gross-Pitaevskii energy functional for spin-2 spinor Bose-Einstein condensates and the Ginzburg-Landau theory for neutron 3P2 superfluidis (spin-triplet P-wave pairing with total angular momentum two). We then classify all uniform states with nontrivial unbroken symmetries, with the help of geometric invariant theory.
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