Anomalous Transport through the p-Wave Superconducting Channel in the 3-K Phase of Sr2RuO4

Details Anomalous Transport through the p-Wave Superconducting Channel in the 3-K Phase of Sr2RuO4 Anomalous Transport through the p-Wave Superconducting Channel in the 3-K Phase of Sr2RuO4

2008-11-20

arxiv.org/abs/0811.3334v1

Phys. Rev. Lett. 101, 267003 (2008).

Physics

Condensed Matter

Superconductivity

4 pages, 5 figures, accepted for publication in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.101.267003

Using micro fabrication techniques, we extracted individual channels of 3-Kelvin (3-K) phase superconductivity in Sr2RuO4-Ru eutectic systems and confirmed odd-parity superconductivity in the 3-K phase, similar to pure Sr2RuO4. Unusual hysteresis in the differential resistance-current and voltage-current characteristics observed below 2 K indicates the internal degrees of freedom of the superconducting state. A possible origin of the hysteresis is current-induced chiral-domain-wall motion due to the chiral p-wave state.

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