Low temperature properties of the electron spin resonance in YbRh2Si2

J. Sichelschmidt, T. Kambe, I. Fazlishanov, D. Zakharov, H. A. Krug von Nidda, J. Wykhoff, A. Skvortsova, S. Belov, A. Kutuzov, B. I. Kochelaev, V. Pashchenko, M. Lang, C. Krellner, C. Geibel, F. Steglich

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11 Citations (Scopus)

Abstract

We present the field and temperature behavior of the narrow electron spin resonance (ESR) response in YbRh2Si2 well below the single ion Kondo temperature. The ESR g-factor reflects a Kondo-like field and temperature evolution of the Yb* magnetism. Measurements toward low temperatures (> 0.5 K) have shown distinct crossover anomalies of the ESR parameters upon approaching the regime of a well-defined heavy Fermi liquid. Comparison with the field dependence of specific heat and electrical resistivity reveal that the ESR parameters can be related to quasiparticle mass and cross section and, hence, contain inherent heavy electron properties.

Original languageEnglish
Pages (from-to)747-750
Number of pages4
JournalPhysica Status Solidi (B) Basic Research
Volume247
Issue number3
DOIs
Publication statusPublished - Mar 2010

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Sichelschmidt, J., Kambe, T., Fazlishanov, I., Zakharov, D., Krug von Nidda, H. A., Wykhoff, J., Skvortsova, A., Belov, S., Kutuzov, A., Kochelaev, B. I., Pashchenko, V., Lang, M., Krellner, C., Geibel, C., & Steglich, F. (2010). Low temperature properties of the electron spin resonance in YbRh2Si2. Physica Status Solidi (B) Basic Research, 247(3), 747-750. https://doi.org/10.1002/pssb.200983058