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Optical probing of composite fermions in a two-dimensional electron gas

✍ Scribed by Byszewski, M.; Chwalisz, B.; Maude, D. K.; Sadowski, M. L.; Potemski, M.; Saku, T.; Hirayama, Y.; Studenikin, S.; Austing, D. G.; Sachrajda, A. S.

Book ID
109945084
Publisher
Nature Publishing Group
Year
2006
Tongue
English
Weight
438 KB
Volume
2
Category
Article
ISSN
1745-2473

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πŸ“œ SIMILAR VOLUMES

GHz surface acoustic waves as a probe of
GHz surface acoustic waves as a probe of composite fermions in two-dimensional electron systems
✍ R.L. Willett; L.N. Pfeiffer πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 276 KB

By probing the low-disorder two-dimensional electron system at submicron dimensions, important new length scales are revealed. Using surface acoustic waves of wavelength )~ < 1 gm to measure the 2D electron conductivity, enhanced conductivity is observed at even-denominator filling factors v = Β½, ΒΌ: