Quantum Critical Dynamics of the Skyrmion Lattice

Details Quantum Critical Dynamics of the Skyrmion Lattice Quantum Critical Dynamics of the Skyrmion Lattice

2000-02-03

arxiv.org/abs/cond-mat/0002053v1

Physics

Condensed Matter

9 pages, 3 figures

Scientific paper

10.1103/PhysRevB.61.R16299

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 discus how such measurements may be used to further probe the quantum-critical structure of the multi-Skyrmion system.

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