Non-analytic vortex core and non-linear vortex flow in bosonic superfluids

O. Agam, I. L. Aleiner

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We analyze the disorder limited motion of quantum vortices in a two-dimensional bosonic superfluid with a large healing length. It is shown that the excitations of low-energy degrees of freedom associated with the non-analytic reconstruction of the vortex core (Ann. Phys., 346 (2014) 195) determine strong non-linear effects in the vortex transport at velocities much smaller than Landau's critical velocity. Experiments are suggested to verify our predictions.

Original languageAmerican English
Article number36003
JournalLettere Al Nuovo Cimento
Issue number3
StatePublished - 1 Nov 2015

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