Conductance Spectroscopy of Spin-Triplet Superconductors

Asano, Yasuhiro and Tanaka, Yukio and Golubov, Alexander A. and Kashiwaya, Satoshi (2007) Conductance Spectroscopy of Spin-Triplet Superconductors. Physical Review Letters, 99 (6). 067005. ISSN 0031-9007

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Abstract:	We propose a novel experiment to identify the symmetry of superconductivity on the basis of theoretical results for differential conductance of a normal metal connected to a superconductor. The proximity effect from the superconductor modifies the conductance of the remote current depending remarkably on the pairing symmetry: spin singlet or spin triplet. The clear-cut difference in the conductance is explained by symmetry of Cooper pairs in a normal metal with respect to frequency. In the spin-triplet case, the anomalous transport is realized due to an odd-frequency symmetry of Cooper pairs.
Item Type:	Article
Copyright:	© 2007 American Physical Society
Faculty:	Science and Technology (TNW)
Research Group:	Low Temperatures - Biomagnetism (LT)
Link to this item:	http://purl.utwente.nl/publications/59151
Official URL:	http://dx.doi.org/10.1103/PhysRevLett.99.067005
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