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Giant Vortices in Quantum Hall Droplets | E. Rasanen
; H. Saarikoski
; A. Harju
; M. J. Puska
; Y. Yu
; S. M. Reimann
; | Date: |
26 Sep 2005 | Subject: | Strongly Correlated Electrons; Mesoscopic Systems and Quantum Hall Effect | cond-mat.str-el cond-mat.mes-hall | Affiliation: | Helsinki University of Technology, Finland, Lund Institute of Technology, Sweden | Abstract: | Giant vortices are found in quasi-two-dimensional quantum dots in the fractional quantum Hall regime. These new ground states emerge when flatness is introduced in an otherwise parabolic confining potential. Singly quantized vortices are then absorbed into a central, single core in the electron and current densities. The giant vortex states leave measurable signatures in the ground-state energetics. The phenomenon compares to what was recently found in rotating Bose-Einstein condensates. | Source: | arXiv, cond-mat/0509660 | Services: | Forum | Review | PDF | Favorites |
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