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Skyrmions and composite fermions for g*=0

Abstract:

We describe the properties of the strongly interacting 2-D 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 v = 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 the composite ...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
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Volume:
246
Pages:
1-5
Publication date:
1998-05-05
DOI:
ISSN:
0921-4526
URN:
uuid:51633f0e-ff85-4c7c-8523-c9a44af88d1d
Source identifiers:
19332
Local pid:
pubs:19332

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