PMID: 15245301Jul 13, 2004Paper

de Haas-van Alphen effect across the metamagnetic transition in Sr3Ru2O7

Physical Review Letters
R A BorziA P Mackenzie

Abstract

We report a study of the de Haas-van Alphen (dHvA) effect on the itinerant metamagnet Sr3Ru2O7. Extremely high sample purity allows the observation of dHvA oscillations both above and below the metamagnetic transition field of 7.9 T. The quasiparticle masses are fairly large away from the transition, and are enhanced by up to an extra factor of 3 as the transition is approached, but the Fermi surface topography change is quite small. The results are qualitatively consistent with a field-induced Stoner transition in which the mass enhancement is the result of critical fluctuations.

References

May 16, 1994·Physical Review Letters·H v LöhneysenT Trappmann
May 13, 1996·Physical Review Letters·A P MackenzieT Fujita
Jul 29, 1996·Physical Review Letters·D BitkoG Aeppli
Jun 13, 2002·Physical Review Letters·I H InoueS R Julian
Jul 30, 2002·Physical Review Letters·P GegenwartF Steglich

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Citations

Nov 13, 2009·Physical Review Letters·J-F MercureA P Mackenzie
May 23, 2006·Physical Review Letters·P GegenwartY Maeno
Nov 25, 2006·Science·R A BorziA P Mackenzie
Sep 4, 2008·Physical Review Letters·A TamaiF Baumberger
Jul 13, 2004·Physical Review Letters·Joe HooperYoshiteru Maeno
Apr 12, 2006·Physical Review Letters·F BaumbergerZ-X Shen
Oct 4, 2005·Physical Review Letters·N KozlovaT Takabatake

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