Phase coherence and the Nernst effect at magic angles in organic conductors

N. P. Ong, Weida Wu, P. M. Chaikin, P. W. Anderson

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


A giant Nernst signal was recently observed for fields near crystallographic directions in (TMTSF)2PF6. Such large Nernst signals are most naturally associated with the motion of pancake vortices. We propose a model in which phase coherence is destroyed throughout the sample except in planes closely aligned with the applied field H. A small tilt above or below the plane changes the direction and density of the penetrating vortices and leads to a Nernst signal that varies with the tilt angle of H as observed. The resistance notches at magic angles are understood in terms of flux-flow dissipation from field-induced vortices.

Original languageEnglish (US)
Pages (from-to)579-584
Number of pages6
Issue number4
StatePublished - May 2004

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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