Ground-state Dirac monopole
Journal Article
·
· Physical Review. A
- Department of Applied Physics/COMP, Aalto University, P.O. Box 14100, FI-00076 AALTO (Finland)
- Physics Department, Harvard University, Cambridge, Massachusetts 02138 (United States)
We show theoretically that a monopole defect, analogous to the Dirac magnetic monopole, may exist as the ground state of a dilute spin-1 Bose-Einstein condensate. The ground-state monopole is not attached to a single semi-infinite Dirac string but forms a point where the circulation of a single vortex line is reversed. Furthermore, the three-dimensional dynamics of this monopole defect is studied after the magnetic field pinning the monopole is removed and the emergence of antimonopoles is observed. Our scheme is realizable with the current experimental facilities.
- OSTI ID:
- 22095678
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 84; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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