Nucleation in Finite Topological Systems During Continuous Metastable Quantum Phase Transitions

Oleksandr Fialko, Marie-Coralie Delattre, Joachim Brand, and Andrey R. Kolovsky
Phys. Rev. Lett. 108, 250402 – Published 20 June 2012
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Abstract

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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  • Received 22 February 2012

DOI:https://doi.org/10.1103/PhysRevLett.108.250402

© 2012 American Physical Society

Authors & Affiliations

Oleksandr Fialko1, Marie-Coralie Delattre1, Joachim Brand1, and Andrey R. Kolovsky2,3

  • 1Centre for Theoretical Chemistry and Physics and New Zealand Institute for Advanced Study, Massey University, Private Bag 102904 NSMC, Auckland 0745, New Zealand
  • 2Kirensky Institute of Physics, 660036 Krasnoyarsk, Russia
  • 3Siberian Federal University, 660041 Krasnoyarsk, Russia

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Issue

Vol. 108, Iss. 25 — 22 June 2012

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