The ground state of a quantum critical system

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dc.creatorMontfrooij, Wouter
dc.creatorLamsal, Jagat
dc.creatorAronson, Meigan
dc.creatorBennett, Marcus
dc.creatorde Visser, Anne
dc.creatorKai, Huang Ying
dc.creatorHuy, Nguyen Thanh
dc.creatorYethiraj, Mohana
dc.creatorLumsden, Mark
dc.creatorQiu, Yiming
dc.date2006-06-27
dc.date.accessioned2026-07-07T07:12:53Z
dc.date.available2026-07-07T07:12:53Z
dc.descriptionThe competition between the tendency of magnetic moments to order at low temperatures, and the tendency of conduction electrons to shield these moments, can result in a phase transition that takes place at zero Kelvin, the quantum critical point (QCP). So far, the ground state of these types of systems has remained unresolved. We present neutron scattering experiments that show that the ground state of a sample representative of a class of QCP-systems is determined by the residual interactions between the conduction electrons, resulting in a state with incommensurate intermediate-range order. However, long-range order is thwarted by quantum fluctuations that locally destroy magnetic moments, leaving the system with too few moments to achieve long-range order.
dc.description20 pages, including supplemetal material. The main results will be submitted to PRL, while the transport data will be further worked out by Nguyen Thanh Huy and submitted separately
dc.identifierhttps://arxiv.org/abs/cond-mat/0606703
dc.identifierhttp://arxiv.org/abs/cond-mat/0606703
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/112238
dc.subjectStrongly Correlated Electrons
dc.titleThe ground state of a quantum critical system
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