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Disorder and the quantum Hall ferromagnet

Green, AG; (1998) Disorder and the quantum Hall ferromagnet. Physical Review B , 57 (16) , Article R9373. 10.1103/PhysRevB.57.R9373. Green open access

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Abstract

The distinguishing feature of the quantum Hall ferromagnet is the identity between electrical and topological charge densities of a spin distortion. In addition to the wealth of physics associated with Skyrmionic excitations of the quantum Hall ferromagnet, this identification permits a rather curious coupling of spin waves to the disorder potential. A wave packet of spin waves has an associated, oscillating dipole charge distribution, due to the nonlinear form of the topological density. We investigate the way in which this coupling modifies the conductivity and temperature dependence of magnetization of the quantum Hall ferromagnet. [S0163-1829(98)51016-8].

Type: Article
Title: Disorder and the quantum Hall ferromagnet
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevB.57.R9373
Publisher version: http://dx.doi.org/10.1103/PhysRevB.57.R9373
Language: English
Additional information: © APS 1998
Keywords: Optically Pumped NMR, Skyrmions, Wells, Integer, NU=1
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/1333467
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