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Metamorphosis of the Quantum Hall Ferromagnet at ν=2/5

DOI to cite this document:
Chen, Michelle ; Kang, Woowon ; Wegscheider, Werner
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Date of publication of this fulltext: 15 Dec 2009 09:05


We report on the dramatic evolution of the quantum Hall ferromagnet in the fractional quantum Hall regime at ν=2/5 filling. A large enhancement in the characteristic time scale gives rise to a dynamical transition into a novel quantized Hall state. The observed Hall state is determined to be a zero-temperature phase distinct from the spin-polarized and spin-unpolarized ν=2/5 fractional quantum ...


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