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Cho, Yongmin
School of Natural Science
Research Interests
  • Higher-dimensional Unified Field Theory
  • High Energy Physics and QCD Color Confinement

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Knots in Condensed Matters

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Title
Knots in Condensed Matters
Author
Cho, Yongmin
Issue Date
2006-07
Publisher
Research India Publications
Citation
International Journal of Pure and Applied Physics, v.1, no.2, pp.246 - 262
Abstract
We propose two types of topologically stable knot solitons in condensed matters, one in twocomponent Bose-Einstein condensates and one in two-gap superconductors. We identify the knot in Bose-Einstein condensates as a twisted vorticity flux ring and the knot in two-gap superconductors as a twisted magnetic flux ring. In both cases we show that there is a remarkable interplay between topology and dynamics which transforms the topologcal stability to the dynamical stability, and vise versa. We discuss how these knots can be constructed in the spin-1/2 condensate of 87Rb atoms and in two-gap superconductor of MgB2.
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ISSN
0973-1776
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