期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 109, 期 9, 页码 3238-3242出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1200346109
关键词
dynamical scaling; non-Fermi-liquid properties; spin excitation spectrum; non-Gaussian fluctuations
资金
- Deutsche Forschungsgemeinschaft
- National Science Foundation [1066293]
- Los Alamos National Laboratory
- University of Wisconsin, Madison
We use the recently developed critical quasiparticle theory to derive the scaling behavior associated with a quantum critical point in a correlated metal. This is applied to the magnetic-field induced quantum critical point observed in YbRh2Si2, for which we also derive the critical behavior of the specific heat, resistivity, thermopower, magnetization and susceptibility, the Gruneisen coefficient, and the thermal expansion coefficient. The theory accounts very well for the available experimental results.
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