Evolution of Fermi-liquid interactions in Sr2RuO4 under pressure

D. Forsythe, S. R. Julian, C. Bergemann, E. Pugh, M. J. Steiner, P. L. Alireza, G. J. McMullan, F. Nakamura, R. K.W. Haselwimmer, I. R. Walker, S. S. Saxena, G. G. Lonzarich, A. P. Mackenzie, Z. Q. Mao, Y. Maeno

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Abstract

Shubnikov-de Haas oscillations in Sr2RuO4 up to 3.3 GPa were measured. From the slow suppression of superconductivity and the absence of diverging mass renormalizations, the postulated existence of a quantum critical point near 3 GPa was ruled out. In fact, a consistent suppression in many-body interactions both as extracted from m* in quantum oscillation measurements for each sheet and from the T2 coefficient of the resistivity was observed.

Original languageEnglish (US)
Article number166402
Pages (from-to)166402/1-166402/4
JournalPhysical review letters
Volume89
Issue number16
DOIs
StatePublished - Oct 14 2002

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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