- 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...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/physrevlett.104.086801
-
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- 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
- Copyright date:
- 2010
Journal article
Skyrmions in the Moore-Read state at nu=5/2.
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