Theory of the Proximity Effect in Junctions with Unconventional Superconductors

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Tanaka, Y. and Golubov, A.A. (2007) Theory of the Proximity Effect in Junctions with Unconventional Superconductors. Physical Review Letters, 98 (3). 037003. ISSN 0031-9007

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Abstract:We present a general theory of the proximity effect in junctions between diffusive normal metals (DN) and superconductors. Various possible symmetry classes in a superconductor are considered: even-frequency spin-singlet even-parity (ESE) state, even-frequency spin-triplet odd-parity state, odd-frequency spin-triplet even-parity (OTE) state and odd-frequency spin-singlet odd-parity state. It is shown that the pair amplitude in a DN belongs, respectively, to an ESE, OTE, OTE, and ESE pairing state since only the even-parity s-wave pairing is possible due to the impurity scattering.
Item Type:Article
Copyright:© 2007 American Physical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/59110
Official URL:http://dx.doi.org/10.1103/PhysRevLett.98.037003
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