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.
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CITATION STYLE
Forsythe, D., Julian, S. R., Bergemann, C., Pugh, E., Steiner, M. J., Alireza, P. L., … Maeno, Y. (2002). Evolution of Fermi-liquid interactions in Sr2RuO4 under pressure. Physical Review Letters, 89(16), 166402/1-166402/4. https://doi.org/10.1103/PhysRevLett.89.166402
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