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|Abstract:||In two-dimensional hole systems confined to wide GaAs quantum wells, where the heavy- and light-hole states are close in energy, we observe a very unusual crossing of the lowest two Landau levels as the sample is tilted in a magnetic field. At a magic tilt angle θ≃34 which surprisingly is independent of the well width or hole density, in a large filling factor range near ν=1, the lowest two levels are nearly degenerate as evidenced by the presence of two-component quantum Hall states. Remarkably, a quantum Hall state is seen at ν=1, consistent with a correlated Ψ111 state.|
|Electronic Publication Date:||30-Nov-2015|
|Citation:||Liu, Yang, Hasdemir, S, Shayegan, M, Pfeiffer, LN, West, KW, Baldwin, KW. (2015). Unusual Landau level pinning and correlated quantum Hall effect in hole systems confined to wide GaAs quantum wells. Physical Review B, 92 (19), 10.1103/PhysRevB.92.195156|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||Physical Review B|
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