Quasiparticles beyond the Fermi liquid and heavy fermion criticality
✍ Scribed by Wölfle, Peter; Abrahams, Elihu
- Book ID
- 118743956
- Publisher
- The American Physical Society
- Year
- 2011
- Tongue
- English
- Weight
- 208 KB
- Volume
- 84
- Category
- Article
- ISSN
- 1098-0121
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## Abstract Landau quasiparticle (qp) theory may be extended into the non‐Fermi liquid regime of metallic compounds near a quantum critical point (QCP), provided the width of the quasiparticle states is less than their energy. Sufficiently far from the QCP, when the critical fluctuations are non‐in
The electrical resistivity of the cubic Kondo system Ce x La 1Àx B 6 (x ¼ 0:1-0.65) has been measured. Non-Fermi liquid behavior is found in paramagnetic phase I over the wide Ce concentration range. Heavy fermion behavior is found in ordered phases of Ce 0:65 La 0:35 B 6 . The mass enhancement of q
Non-Fermi liquid (NFL) behavior in the normal state of the heavy-fermion superconductor UBe 13 is studied by means of low-temperature measurements of the specific heat, C, and electrical resistivity, q, on a high-quality single crystal in magnetic fields up to 15.5 T. At B ¼ 0, unconventional superc