Morphological Superfluid in a Nonmagnetic Spin-2 Bose-Einstein Condensate

Emi Yukawa, Masahito Ueda

Research output: Contribution to journalArticle

Abstract

The two known mechanisms for superflow are the gradient of the U(1) phase and the spin-orbit-gauge symmetry. We find the third mechanism, namely a spatial variation of the order-parameter morphology protected by a hidden su(2) symmetry in a nonmagnetic spin-2 Bose-Einstein condensate. Possible experimental situations are also discussed.

Original languageEnglish
Article number105301
JournalPhysical review letters
Volume124
Issue number10
DOIs
Publication statusPublished - 13 Mar 2020

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