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arxiv: hep-th/9204025 · v1 · submitted 1992-04-10 · ✦ hep-th

Quantum Fermion Hair

classification ✦ hep-th
keywords blackfermionmodesquantumzeroaroundbackgroundcharged
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It is shown that the Dirac operator in the background of a magnetic %Reissner-Nordstr\"om black hole and a Euclidean vortex possesses normalizable zero modes in theories containing superconducting cosmic strings. One consequence of these zero modes is the presence of a fermion condensate around magnetically charged black holes which violates global quantum numbers.

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