Volume 91, Number 3, August 2010
|Number of page(s)||5|
|Published online||31 August 2010|
Coreless vortices in rotating two-component quantum droplets
Mathematical Physics, LTH, Lund University - SE-22100 Lund, Sweden, EU
2 Helsinki Institute of Physics and Department of Applied Physics, Aalto University - FI-02150 Espoo, Finland, EU
3 Nanoscience Center, Department of Physics, University of Jyväskylä - FI-40014 Jyväskylä, Finland, EU
Accepted: 30 July 2010
The rotation of a quantum liquid induces vortices to carry angular momentum. When the system is composed of multiple components that are distinguishable from each other, vortex cores in one component may be filled by particles of the other component, and coreless vortices form. Based on evidence from computational methods, here we show that the formation of coreless vortices occurs very similarly for repulsively interacting bosons and fermions, largely independent of the form of the particle interactions. We further address the connection to the Halperin wave functions of non-polarized quantum Hall states.
PACS: 03.75.Lm – Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations / 03.75.Mn – Multicomponent condensates; spinor condensates / 73.21.La – Quantum dots
© EPLA, 2010
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