D-brane solitons and boojums in field theory and Bose-Einstein condensates
Quantum Gases
2013-09-17 v1 Superconductivity
High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
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. Based on the formulation of gauge theory, we introduce the "boojum charge" to characterize the "D-brane soliton" in Bose-Einstein condensates.
Keywords
Cite
@article{arxiv.1303.4469,
title = {D-brane solitons and boojums in field theory and Bose-Einstein condensates},
author = {Kenichi Kasamatsu and Hiromitsu Takeuchi and Muneto Nitta},
journal= {arXiv preprint arXiv:1303.4469},
year = {2013}
}
Comments
25 pages, 9 figures