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Вид документа : Статья из журнала Шифр издания :
Автор(ы) : Fialko O., Delattre M.C., Brand J., Kolovsky A. R.
Заглавие : Nucleation in finite topological systems during continuous metastable quantum phase transitions
Место публикации : Phys. Rev. Lett.: American Physical Society, 2012. - Vol. 108, Is. 25. - Ст.250402. - ISSN 0031-9007, DOI 10.1103/PhysRevLett.108.250402 Примечания : Cited References: 31. - We acknowledge stimulating discussions with Jean-Sebastien Caux and Lincoln Carr. A. K. thanks Massey University for hospitality. O. F., M. C. D., and J. B. were supported by the Marsden Fund (Contract No. MAU0910) administrated by the Royal Society of New Zealand.
Предметные рубрики: SYMMETRY-BREAKING VORTEX NUCLEATION BROKEN SYMMETRY THERMALIZATION SUPERFLUID DYNAMICS STATE Аннотация: Finite topological quantum systems can undergo continuous metastable quantum phase transitions to change their topological nature. Here we show how to nucleate the transition between ring currents and dark soliton states in a toroidally trapped Bose-Einstein condensate. An adiabatic passage to wind and unwind its phase is achieved by explicit global breaking of the rotational symmetry. This could be realized with current experimental technology.
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