Journal
PHYSICAL REVIEW LETTERS
Volume 102, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.230403
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Funding
- MEXT Japan [17071005, 20540388]
- Global COE Program the Physical Sciences Frontier'')
- Matsuo Foundation
- Grants-in-Aid for Scientific Research [20540388, 17071005] Funding Source: KAKEN
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It is shown that the interface in a two-component Bose-Einstein condensate (BEC) with a dipole-dipole interaction spontaneously develops patterns similar to those formed in a ferrofluid. Hexagonal, labyrinthine, solitonlike structures, and hysteretic behavior are numerically demonstrated. Superflow is found to circulate around the hexagonal pattern at rest, offering evidence of supersolidity. The system sustains persistent current with a vortex line pinned by the hexagonal pattern. These phenomena may be realized using a (52)Cr BEC.
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