Journal
PHYSICAL REVIEW LETTERS
Volume 104, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.086801
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Funding
- EU under the Marie Curie [PIEF-GA-2008-221701]
- Polish MNiSW [N202-071-32/1513]
- Trinity Hall
- EPSRC [EP/F032773/1]
- EPSRC [EP/F032773/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F032773/1] Funding Source: researchfish
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We study charged excitations of the non-Abelian Moore-Read liquid at a filling factor v = 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 v = 5/2 ground state in realistic experimental situations. We comment on the consequences for the activated transport.
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