Nucleation in finite topological systems during continuous metastable quantum phase transitions

Details Nucleation in finite topological systems during continuous metastable quantum phase transitions Nucleation in finite topological systems during continuous metastable quantum phase transitions

2012-02-23

arxiv.org/abs/1202.5083v3

Physics

Condensed Matter

Quantum Gases

5 pages, 3 figures

Scientific paper

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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