D-brane solitons and boojums in field theory and Bose-Einstein condensates

Kenichi Kasamatsu, Hiromitsu Takeuchi, Muneto Nitta

研究成果: Article査読

17 被引用数 (Scopus)

抄録

In certain field theoretical models, composite solitons consisting of a domain wall and vortex lines attached to the wall have been referred to as 'D-brane solitons'. We show that similar composite solitons can be realized in phase-separated two-component Bose-Einstein condensates. We discuss the similarities and differences between topological solitons in the Abelian-Higgs model and those in two-component Bose-Einstein condensates. On the basis of the formulation of gauge theory, we introduce the 'boojum charge' to characterize the D-brane soliton in Bose-Einstein condensates.

本文言語English
論文番号404213
ジャーナルJournal of Physics Condensed Matter
25
40
DOI
出版ステータスPublished - 2013 10 9

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学

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