Physics – Condensed Matter – Superconductivity
Scientific paper
1999-08-07
Phys.Rev.B61:4222,2000
Physics
Condensed Matter
Superconductivity
10 pages, 3 figures, accepted for publication in Phys. Rev. B
Scientific paper
10.1103/PhysRevB.61.4222
We show that a vortex in a chiral p-wave superconductor, which has the p_{x}+ i p_{y}-wave pairing state and breaks U(1), parity and time reversal symmetry simultaneously, has fractional charge -{n e}/{4} and fractional angular momentum -n^{2}/{16} (n; vorticity). This suggests that the vortex could be anyon and could obey fractional statistics. Electromagnetic property of the vortex is also discussed and we find that an electric field is induced near the vortex core.
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