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

  title={Skyrmions in the Moore-Read state at nu=5/2.},
  author={Arkadiusz W{\'o}js and Gunnar M{\"o}ller and Steven H. Simon and Nigel R. Cooper},
  journal={Physical review letters},
  volume={104 8},
  • Arkadiusz Wójs, Gunnar Möller, +1 author Nigel R. Cooper
  • Published in Physical review letters 2010
  • Physics, Medicine
  • 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 realistic… CONTINUE READING

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