High Field Phase Diagram of Cuprates Derived from the Nernst Effect

Yayu Wang, N. P. Ong, Z. A. Xu, T. Kakeshita, S. Uchida, D. A. Bonn, R. Liang, W. N. Hardy

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


Measurements of the Nernst signal in the vortex-liquid state of the cuprates to high fields (33 T) reveal that vorticity extends to very high fields even close to the zero-field critical temperature [Formula presented]. In overdoped [Formula presented], we show that the upper critical field [Formula presented] curve does not end at [Formula presented], but at a much higher temperature. These results imply that [Formula presented] corresponds to a loss in phase rigidity rather than a vanishing of the pairing amplitude. An intermediate field [Formula presented] is shown to be the field scale for the flux-flow resistivity.

Original languageEnglish (US)
Pages (from-to)4
Number of pages1
JournalPhysical review letters
Issue number25
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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