Vortex formations from domain wall annihilations in two-component Bose-Einstein condensates

Hiromitsu Takeuch, Kenichi Kasamatsu, Muneto Nitta, Makoto Tsubota

研究成果: Article査読

10 被引用数 (Scopus)

抄録

We theoretically study the vortex formation from the collision of the domain walls in phase-separated two-component Bose-Einstein condensates. The collision process mimics the tachyon condensation for the annihilation of D-brane and anti-D-brane in string theory. A pair annihilation leaves the quantized vortices with superflow along their core, namely superflowing cosmic strings. It is revealed that the line density and the core size of the vortices depend on the initial distance between the walls.

本文言語English
ページ(範囲)243-249
ページ数7
ジャーナルJournal of Low Temperature Physics
162
3-4
DOI
出版ステータスPublished - 2011 2

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 材料科学(全般)
  • 凝縮系物理学

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