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|Abstract:||We report magnetotransport measurements for the fractional quantum Hall state at filling factor ν= 5/2 as a function of applied parallel magnetic field (B||). As B|| is increased, the 5/2 state becomes increasingly anisotropic, with the in-plane resistance along the direction of B|| becoming more than 30 times larger than in the perpendicular direction. Despite the very large resistance anisotropy, the anisotropy ratio remains constant over a relatively large temperature range, yielding an energy gap which is the same for both directions. Our data are qualitatively consistent with a fractional quantum Hall nematic phase.|
|Electronic Publication Date:||15-Jul-2013|
|Citation:||Liu, Yang, Hasdemir, S, Shayegan, M, Pfeiffer, LN, West, KW, Baldwin, KW. (2013). Evidence for a fractional quantum Hall nematic state in parallel magnetic fields. Physical Review B, 88 (3), 10.1103/PhysRevB.88.035307|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||Physical Review B|
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