Cyclotron resonance in the layered perovskite superconductor Sr2RuO4

S. Hill, J. S. Brooks, Z. Q. Mao, Y. Maeno

Research output: Contribution to journalArticle

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Abstract

We have observed cyclotron resonance in the layered perovskite superconductor Sr2RuO4. We obtain cyclotron masses for the α, β, and γ Fermi surfaces of (4.33±0.05)me, (5.81±0.05)me, and (9.71±0.2)me, respectively. The appreciable differences between these results and those obtained from de Haas–van Alphen measurements are attributable to strong electron-electron interactions in this system. Our findings appear to be consistent with predictions for an interacting Fermi liquid; indeed, semiquantitative agreement is obtained for the electron pockets β and γ.

Original languageEnglish (US)
Pages (from-to)3374-3377
Number of pages4
JournalPhysical Review Letters
Volume84
Issue number15
DOIs
StatePublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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