Chen, Michelle and Kang, Woowon and Wegscheider, Werner
Metamorphosis of the Quantum Hall Ferromagnet at ν=2/5.
Physical Review Letters 91 (11), p. 116804.
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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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