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Low frequency collective excitations in the quantum-hall system

โœ Scribed by E.Y. Andrei; D.C. Glattli; F.I.B. Williams; M. Heiblum


Book ID
118362476
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
443 KB
Volume
196
Category
Article
ISSN
0039-6028

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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