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Collapse of the fractional quantum Hall state by a unidirectional periodic potential modulation

โœ Scribed by A. Endo; N. Shibata; Y. Iye


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
881 KB
Volume
42
Category
Article
ISSN
1386-9477

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Light scattering by magnetorotons of col
โœ Moonsoo Kang; A. Pinczuk; I. Dujovne; B.S. Dennis; L.N. Pfeiffer; K.W. West ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 84 KB

Magnetorotons in the dispersion curves of collective gap excitation modes of fractional quantum Hall liquids are measured by resonant inelastic light scattering. Two deep magnetoroton minima are observed at = 2 5 , while a single deep minimum is resolved at = 1 3 . The results support Chern-Simons a