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Paper detail

Tachyon Condensation Due to Domain-Wall Annihilation in Bose-Einstein Condensates

We show theoretically that a domain-wall annihilation in two-component Bose-Einstein condensates causes tachyon condensation accompanied by spontaneous symmetry breaking in a two-dimensional subspace. Three-dimensional vortex formation from domain-wall annihilations is considered a kink formation in subspace. Numerical experiments reveal that the subspatial dynamics obey the dynamic scaling law of phase-ordering kinetics. This model is experimentally feasible and provides insights into how the extra dimensions influence subspatial phase transition in higher-dimensional space.

preprint2012arXivOpen access
Hiromitsu TakeuchiKenichi KasamatsuMakoto TsubotaMuneto Nitta
hep-phhep-thcond-mat.quant-gas
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Hiromitsu TakeuchiKenichi KasamatsuMakoto TsubotaMuneto Nitta

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