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Quantum-critical dynamics of the Skyrmion lattice

Green, AG; (2000) Quantum-critical dynamics of the Skyrmion lattice. Physical Review B , 61 (24) , Article R16299. 10.1103/PhysRevB.61.R16299. Green open access

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Abstract

Near to filling fraction nu=1, the quantum Hall ferromagnet contains multiple Skyrmion spin excitations. This multi-Skyrmion system has a tremendously rich quantum-critical structure. This is simplified when Skyrmions are pinned by disorder. We calculate the nuclear relaxation rate in this case and compare the result with experiment. We discuss how such measurements may be used to further probe the quantum-critical structure of the multi-Skyrmion system.

Type: Article
Title: Quantum-critical dynamics of the Skyrmion lattice
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevB.61.R16299
Publisher version: http://dx.doi.org/10.1103/PhysRevB.61.R16299
Language: English
Additional information: © APS 2000
Keywords: Level Filling Nu=1, Optically pumped NMR, Wells, Temperature, Heterostructures, Ferromagnets, Excitations, Transitions, Integer
UCL classification: UCL
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: https://discovery.ucl.ac.uk/id/eprint/1333469
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