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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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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
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Journal:
PHYSICA B-CONDENSED MATTER
Volume:
246
Pages:
1-5
Publication date:
1998-05-01
Event title:
5th International Symposium on Research in High Magnetic Fields
DOI:
ISSN:
0921-4526
Source identifiers:
19332
Keywords:
Pubs id:
pubs:19332
UUID:
uuid:51633f0e-ff85-4c7c-8523-c9a44af88d1d
Local pid:
pubs:19332
Deposit date:
2012-12-19

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