期刊
PHYSICAL REVIEW B
卷 71, 期 8, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.71.081304
关键词
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We use high-mobility bilayer hole systems with negligible tunneling to examine how the bilayer nu=1 quantum Hall state evolves as charge is transferred from one layer to the other at constant total density. We map bilayer nu=1 state stability versus imbalance for five total densities spanning the range from strongly interlayer coherent to incoherent. We observe competition between single-layer correlations and interlayer coherence. Most significantly, we find that bilayer systems that are incoherent at balance can develop spontaneous interlayer coherence with imbalance, in agreement with recent theoretical predictions.
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