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Reduced effect of impurities on the universal pairing scale in the cuprates

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dc.creator Vorontsov, A. B. en_US
dc.creator Abanov, Artem en_US
dc.creator Vavilov, M. G. en_US
dc.creator Chubukov, A. V. en_US
dc.date.accessioned 2012-09-19T20:05:46Z
dc.date.available 2012-09-19T20:05:46Z
dc.date.issued 2010 en_US
dc.identifier.citation A. B. Vorontsov, Artem Abanov, M. G. Vavilov and A. V. Chubukov. Phys.Rev.B 81 012508 2010."Copyright (2010) by the American Physical Society." en_US
dc.identifier.uri http://dx.doi.org/10.1103/PhysRevB.81.012508 en_US
dc.identifier.uri http://hdl.handle.net/1969.1/146831
dc.description Journals published by the American Physical Society can be found at http://journals.aps.org/ en_US
dc.description.abstract We consider the effect of nonmagnetic impurities on the onset temperature T* for the d-wave pairing in spin-fluctuation scenario for the cuprates. We analyze intermediate coupling regime when the magnetic correlation length xi/a>1 and the dimensionless coupling u is O(1). In the clean limit, T*approximate to 0.02v(f)/a in this parameter range and weakly depends on xi and u. We found numerically that this universal pairing scale is also quite robust with respect to impurities: the scattering rate Gamma(cr) needed to bring T* down to zero is about four times larger than in weak coupling, in good quantitative agreement with experiments. We provide analytical reasoning for this result. en_US
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.rights This work is archived in the Texas A&M Digital Repository with the express permission of the rights holder (commonly but not always the publisher). A copy of the permission document is on file with the Texas A&M University Libraries. en_US
dc.subject 2-DIMENSIONAL HUBBARD-MODEL en_US
dc.subject ANISOTROPIC SUPERCONDUCTORS en_US
dc.subject STATES en_US
dc.subject TEMPERATURE en_US
dc.subject SUPPRESSION en_US
dc.subject SCATTERING en_US
dc.subject Physics en_US
dc.title Reduced effect of impurities on the universal pairing scale in the cuprates en_US
dc.type Article en_US
local.department Physics and Astronomy en_US


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