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Skyrmions and composite fermions in the limit of vanishing Zeeman energy

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...

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Publication status:
Published

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Publisher copy:
10.1088/0953-8984/10/49/021

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
JOURNAL OF PHYSICS-CONDENSED MATTER More from this journal
Volume:
10
Issue:
49
Pages:
11327-11335
Publication date:
1998-12-14
Event title:
Oji International Seminar on the Quest for New Physical Phases under Extreme Conditions
DOI:
EISSN:
1361-648X
ISSN:
0953-8984
Keywords:
Pubs id:
pubs:19815
UUID:
uuid:d5259281-1cd0-4467-bb9f-edbfd7300bf5
Local pid:
pubs:19815
Source identifiers:
19815
Deposit date:
2012-12-19

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