Ground state of a quantum critical system: neutron scattering on Ce(Ru1-xFex)2Ge2

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dc.contributor.authorMontfrooij, Wen_AU
dc.contributor.authorLamsal, Jen_AU
dc.contributor.authorAronson, Men_AU
dc.contributor.authorBennett, Men_AU
dc.contributor.authorDe Visser, Aen_AU
dc.contributor.authorKai, HYen_AU
dc.contributor.authorHuy, NTen_AU
dc.contributor.authorYethiraj, Men_AU
dc.contributor.authorLumsden, MDen_AU
dc.contributor.authorQui, YMen_AU
dc.date.accessioned2008-04-21T04:16:02Zen_AU
dc.date.accessioned2010-04-30T05:02:59Zen_AU
dc.date.available2008-04-21T04:16:02Zen_AU
dc.date.available2010-04-30T05:02:59Zen_AU
dc.date.issued2007-08en_AU
dc.date.statistics2007-08en_AU
dc.description.abstractWe present neutron scattering data on Ce(Ru1−xFex)2Ge2 that show that magnetic ordering in the vicinity of a quantum critical point is restricted to short length scales even though all moments that are present have lined up with their neighbors. We argue that order is not limited by crystallographic defects but rather that quantum fluctuations disorder the system and dilute the magnetic moments to such an extent that a percolation network forms. The latter naturally explains how E/T scaling is possible in a system whose apparent dimensionality is above the upper critical dimension. © 2007, American Physical Societyen_AU
dc.identifier.articlenumber052404en_AU
dc.identifier.citationMontfrooij, W., Lamsal, J., Aronson, M., Bennett, M., de Visser, A., Kai, H. Y., Huy, N. T., Yethiraj, M., Lumsden, M. J., & Qui, Y. M. (2007). Ground state of a quantum critical system: Neutron scattering on Ce(Ru1-xFex)2Ge2. Physical Review B, 76(5), 052404. doi:10.1103/PhysRevB.76.052404en_AU
dc.identifier.govdoc1191en_AU
dc.identifier.issn1098-0121en_AU
dc.identifier.issue5en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevB.76.052404en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1092en_AU
dc.identifier.volume76en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectPhase transformationsen_AU
dc.subjectMetalsen_AU
dc.subjectTemperature rangeen_AU
dc.subjectScatteringen_AU
dc.subjectNeutronsen_AU
dc.subjectCriticalityen_AU
dc.titleGround state of a quantum critical system: neutron scattering on Ce(Ru1-xFex)2Ge2en_AU
dc.typeJournal Articleen_AU
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