Fermion Zero Mode and Superfluid Weight(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• We propose one possible mechanism for deconfinement based on an SU(2) slave-boson theory. Resorting to an effective field theory approach, we show that introduction of an isospin interaction potential gives rise to a fermion zero mode in an instanton-hedgehog configuration. As a result, meron-type vortices are allowed. We demonstrate how emergence of such vortices results in the doping-independent decreasing ratio of superfluid weight.

• 2009-03-15

著者

• Kim Ki-seok

  Institut De Physique Theorique Cea Ipht Cnrs

関連論文

• Fermion Zero Mode and Superfluid Weight(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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