Metamagnetic quantum criticality in Sr3Ru2O7 studied by thermal expansion

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dc.creatorGegenwart, P.
dc.creatorWeickert, F.
dc.creatorGarst, M.
dc.creatorPerry, R. S.
dc.creatorMaeno, Y.
dc.date2005-07-15
dc.date2006-01-31
dc.date.accessioned2026-07-07T06:41:21Z
dc.date.available2026-07-07T06:41:21Z
dc.descriptionWe report low-temperature thermal expansion measurements on the bilayer ruthenate Sr$_3$Ru$_2$O$_7$ as a function of magnetic field applied perpendicular to the Ruthenium-oxide planes. The field-dependence of the c-axis expansion coefficient indicates the accumulation of entropy close to 8 Tesla, related to an underlying quantum critical point. The latter is masked by two first-order metamagnetic transitions which bound a regime of enhanced entropy. Outside this region the singular thermal expansion behavior is compatible with the predictions of the itinerant theory for a two-dimensional metamagnetic quantum critical end point.
dc.identifierhttps://arxiv.org/abs/cond-mat/0507359
dc.identifierhttp://arxiv.org/abs/cond-mat/0507359
dc.identifierPhys. Rev. Lett. 96, 136402 (2006)
dc.identifierdoi:10.1103/PhysRevLett.96.136402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101640
dc.subjectStrongly Correlated Electrons
dc.titleMetamagnetic quantum criticality in Sr3Ru2O7 studied by thermal expansion
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