On the interpretation of the Nernst effect measurements in the cuprates

Abstract

We consider the large Nernst signal discovered by Ong and collaborators in hole-doped cuprates, in particular in the pseudogap regime. Based on our previous quantitative calculations together with Huse [Phys. Rev. Lett. 89, 287001 (2002)], we discuss the interpretation of the experimental observations as arising from superconducting fluctuations and its relation to the vortex scenario proposed by Ong. We also comment on the implications of the Nernst analysis for understanding the full range of pseudogap phenomena.

6 pages, 2 figures

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• Doped carrier formulation and mean-field theory of the tt't''J model
• On the magnetization of two-dimensional superconductors
• The Nernst effect from fluctuating pairs in the pseudogap phase
• Nernst effect as a probe of superconducting fluctuations in disordered thin films
• Normal State Nernst Effect in Electron-doped Pr2-xCexCuO4: Superconducting Fluctuations and Two-band Transport
• Magnetothermoelectric Response near Quantum Critical Points
• Cuprate diamagnetism in the presence of a pseudogap: Beyond the standard fluctuation formalism
• Correlation between incoherent phase fluctuations and disorder in Y${}_{1-x}$Pr${}_x$Ba${}_2$Cu${}_3$O${}_{7-\delta }$ epitaxial films from Nernst effect measurements
• A proposal to detect vortices above the superconducting transition temperature