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Skyrmions and composite fermions in the limit of vanishing Zeeman energy
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UNSPECIFIED (1998) Skyrmions and composite fermions in the limit of vanishing Zeeman energy. In: Oji International Seminar on the Quest for New Physical Phases under Extreme Conditions, TOMAKOMAI, JAPAN, MAY 31-JUN 05, 1998. Published in: JOURNAL OF PHYSICS-CONDENSED MATTER, 10 (49). pp. 11327-11335. ISSN 0953-8984.
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Abstract
We describe the properties of a strongly interacting two-dimensional (2D) electron gas in high magnetic fields whose properties can be described in terms of the formation of composite fermions at fractional Landau level occupancy. For a Landau level occupancy nu = 1 the excitations correspond to spin waves for high g-factors and magnetic fields, but when the g-factor is reduced close to zero by the use of hydrostatic pressure there is strong evidence for the formation of skyrmions. Studies of composite fermions in the limit of vanishing Zeeman energy also suggest that skyrmionic excitations can occur for composite fermions.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF PHYSICS-CONDENSED MATTER | ||||
Publisher: | IOP PUBLISHING LTD | ||||
ISSN: | 0953-8984 | ||||
Official Date: | 14 December 1998 | ||||
Dates: |
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Volume: | 10 | ||||
Number: | 49 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 11327-11335 | ||||
Publication Status: | Published | ||||
Title of Event: | Oji International Seminar on the Quest for New Physical Phases under Extreme Conditions | ||||
Location of Event: | TOMAKOMAI, JAPAN | ||||
Date(s) of Event: | MAY 31-JUN 05, 1998 |
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