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Zero-field ambient-pressure quantum criticality in the stoichiometric non-fermi liquid system cerhbi

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Title
Zero-field ambient-pressure quantum criticality in the stoichiometric non-fermi liquid system cerhbi
Author(s)
Vivek K. Anand; Devashibhai T. Adroja; Adrian D. Hillier; Keisuke Shigetoh; Toshiro Takabatake; Je-Geun Park; Keith A. McEwen; Jedediah H. Pixley; Qimiao Si
Publication Date
2018-06
Journal
Journal of the Physical Society of Japan, v.87, no.6, pp.64708 -
Publisher
PHYSICAL SOC JAPAN
Abstract
We present the spin dynamics study of a stoichiometric non-Fermi liquid (NFL) system CeRhBi, using low-energy inelastic neutron scattering (INS) and muon spin relaxation (μSR) measurements. It shows evidence for an energy-temperature (E=T) scaling in the INS dynamic response and a time-field (t=Hη) scaling of the μSR asymmetry function indicating a quantum critical behavior in this compound. The E=T scaling reveals a local character of quantum criticality consistent with the power-law divergence of the magnetic susceptibility, logarithmic divergence of the magnetic heat capacity and T-linear resistivity at low temperature. The occurrence of NFL behavior and local criticality over a very wide dynamical range at zero field and ambient pressure without any tuning in this stoichiometric heavy fermion compound is striking, making CeRhBi a model system amenable to in-depth studies for quantum criticality. ©2018 The Physical Society of Japa
URI
https://pr.ibs.re.kr/handle/8788114/4484
ISSN
0031-9015
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
Files in This Item:
2018-248_ Zero-Field Ambient-Pressure Quantum Criticality in the Stoichiometric Non-Fermi Liquid System CeRhBi.pdfDownload

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