# Parity Violation in a Single Domain of Spin-Triplet Sr2RuO4 Superconductors

Source: [Parity Violation in a Single Domain of Spin-Triplet Sr2RuO4 Superconductors](<https://www.sota2.com/research/paper/68fa2eda1e209131ce866f35>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-28T13:53:29.432Z

Authors: H. Nobukane, K. Inagaki, K. Ichimura, K. Yamaya, S. Takayanagi, I. Kawasaki, K. Tenya, H. Amitsuka, K. Konno, Y. Asano, S. Tanda

Published: 2008-06-13T08:01:34.000Z

## Abstract

We observed an unconventional parity-violating vortex in single domain Sr2RuO4 single crystals using a transport measurement. The current-voltage characteristics of submicron Sr2RuO4 shows that the induced voltage has anomalous components which are even function of the bias current. The results may suggest that the vortex itself has a helical internal structure characterized by a Hopf invariant (a topological invariant). We also discuss that the hydrodynamics of such a helical vortex causes the parity violation to retain the topological invariant.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/0806.2201>)

[PDF](<https://arxiv.org/pdf/0806.2201.pdf>)