Creating vortons and three-dimensional skyrmions from domain-wall annihilation with stretched vortices in Bose-Einstein condensates

Muneto Nitta, Kenichi Kasamatsu, Makoto Tsubota, Hiromitsu Takeuchi

研究成果: Article査読

47 被引用数 (Scopus)

抄録

We study a mechanism to create a vorton or three-dimensional skyrmion in phase-separated two-component BECs with the order parameters Ψ 1 and Ψ 2 of the two condensates. We consider a pair of a domain wall (brane) and an antidomain wall (antibrane) stretched by vortices (strings), where the Ψ 2 component with a vortex winding is sandwiched by two domains of the Ψ 1 component. The vortons appear when the domain wall pair annihilates. Experimentally, this can be realized by preparing the phase separation in the order Ψ 1, Ψ 2, and Ψ 1 components, where the nodal plane of a dark soliton in Ψ 1 component is filled with the Ψ 2 component with vorticity. By selectively removing the filling Ψ 2 component gradually with a resonant laser beam, the collision of the brane and antibrane can be made, creating vortons.

本文言語English
論文番号053639
ジャーナルPhysical Review A - Atomic, Molecular, and Optical Physics
85
5
DOI
出版ステータスPublished - 2012 5月 25

ASJC Scopus subject areas

  • 原子分子物理学および光学

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