Josephson effect as a measure of quantum fluctuations in the cuprates

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dc.creatorHlubina, R.
dc.creatorGrajcar, M.
dc.creatorMraz, J.
dc.date2003-04-09
dc.date.accessioned2026-07-25T15:07:56Z
dc.descriptionQuantitative analysis of the Josephson effect is shown to provide direct information about phase fluctuations in the superconducting banks. Applying the analysis to the cuprates, substantial quantum fluctuations between d-wave and s-wave pairing are found at low temperatures. A phenomenological model of such fluctuations is introduced and solved in a self-consistent single-site approximation. The cuprate parameters are argued to lie close to an exotic superconductor phase with condensation of electron quadruplets.
dc.identifierhttps://arxiv.org/abs/cond-mat/0304213
dc.identifierhttp://arxiv.org/abs/cond-mat/0304213
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/31281
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleJosephson effect as a measure of quantum fluctuations in the cuprates
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