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Date
2010-04Type
- Journal Article
ETH Bibliography
yes
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Abstract
A detailed theoretical interpretation of the Josephson interference experiment between Sr2RuO4 and Pb reported by Kidwingira et al (2006 Science 314 1267) is given. Assuming chiral p-wave pairing symmetry, a Ginzburg–Landau theory is derived in order to investigate the structure of domain walls between chiral domains. It turns out that anisotropy effects of the Fermi surface and the orientation of the domain walls are essential for their internal structure. Introducing a simple model for a Josephson junction, the effect of domain walls intersecting the interface between Sr2RuO4 and Pb is discussed. It is shown that characteristic deviations of the Fraunhofer interference pattern for the critical Josephson current as a function of the magnetic field occurs in qualitative agreement with the experimental finding. Moreover, the model is also able to account for peculiar hysteresis effects observed in the experiment. Show more
Permanent link
https://doi.org/10.3929/ethz-b-000017661Publication status
publishedExternal links
Journal / series
New Journal of PhysicsVolume
Pages / Article No.
Publisher
IOP PublishingOrganisational unit
03571 - Sigrist, Manfred / Sigrist, Manfred
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ETH Bibliography
yes
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