Vortex with fractional quantum numbers in a chiral p-wave superconductor
J. Goryo
DOI 10.1103/PhysRevB.61.4222 · Physical Review B
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Abstract
We show that a vortex in a chiral p-wave superconductor, which has the px+ipy-wave pairing state and breaks U(1), parity and time reversal symmetry simultaneously, has fractional charge −ne/4 and fractional angular momentum −n2/16 (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.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.5 | Pressure not reported | unknown |
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