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Skyrmions in the Moore-Read state at nu=5/2.

Abstract:

We study charged excitations of the non-Abelian Moore-Read liquid at a filling factor nu=5/2, allowing for spin depolarization. Using a combination of numerical studies, and taking account of nonzero well widths, we find that at a sufficiently low Zeeman energy it is energetically favorable for charge e/4 quasiholes to bind into Skyrmions of charge e/2. We show that Skyrmion formation is further promoted by disorder, and argue that this can lead to a depolarized nu=5/2 ground state in realist...

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Publication status:
Published

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Authors


Möller, G More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Cooper, NR More by this author
Journal:
Physical review letters
Volume:
104
Issue:
8
Pages:
086801
Publication date:
2010-02-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:32ab1eed-ba73-44cf-b64d-999b6eb9db91
Source identifiers:
158763
Local pid:
pubs:158763
Language:
English

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