skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Crystal Field Triplets: A New Route to Non-Fermi-Liquid Physics

Abstract

A model for crystal field triplet ground states of rare earth or actinide ions with dipolar and quadrupolar couplings to conduction electrons is studied for the first time with renormalization group methods. The quadrupolar coupling leads to a new nontrivial, non-Fermi-liquid fixed point, which survives in an intermediate valence Anderson model. The calculated magnetic susceptibility displays one parameter scaling, going as T{sup {minus}{alpha}} ({alpha}{approx}0.4 ) at intermediate temperatures, reminiscent of the non-Fermi-liquid alloy UCu{sub 5{minus}x} Pd{sub x} . {copyright} {ital 1999} {ital The American Physical Society}

Authors:
; ;  [1];  [2]
  1. Department of Physics, University of California, Davis, California 95616 (United States)
  2. Research Group of the Hungarian Academy of Sciences, Institute of Physics, TU Budapest, H-1521 (Hungary)
Publication Date:
OSTI Identifier:
686487
Resource Type:
Journal Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 83; Journal Issue: 12; Other Information: PBD: Sep 1999
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; URANIUM ALLOYS; COPPER ALLOYS; PALLADIUM ALLOYS; CRYSTAL FIELD; RENORMALIZATION; MAGNETIC SUSCEPTIBILITY; SCALING; KONDO EFFECT; QUADRUPOLE MOMENTS; TEMPERATURE DEPENDENCE; GROUND STATES

Citation Formats

Koga, M., Zarand, G., Cox, D.L., and Zarand, G. Crystal Field Triplets: A New Route to Non-Fermi-Liquid Physics. United States: N. p., 1999. Web. doi:10.1103/PhysRevLett.83.2421.
Koga, M., Zarand, G., Cox, D.L., & Zarand, G. Crystal Field Triplets: A New Route to Non-Fermi-Liquid Physics. United States. doi:10.1103/PhysRevLett.83.2421.
Koga, M., Zarand, G., Cox, D.L., and Zarand, G. Wed . "Crystal Field Triplets: A New Route to Non-Fermi-Liquid Physics". United States. doi:10.1103/PhysRevLett.83.2421.
@article{osti_686487,
title = {Crystal Field Triplets: A New Route to Non-Fermi-Liquid Physics},
author = {Koga, M. and Zarand, G. and Cox, D.L. and Zarand, G.},
abstractNote = {A model for crystal field triplet ground states of rare earth or actinide ions with dipolar and quadrupolar couplings to conduction electrons is studied for the first time with renormalization group methods. The quadrupolar coupling leads to a new nontrivial, non-Fermi-liquid fixed point, which survives in an intermediate valence Anderson model. The calculated magnetic susceptibility displays one parameter scaling, going as T{sup {minus}{alpha}} ({alpha}{approx}0.4 ) at intermediate temperatures, reminiscent of the non-Fermi-liquid alloy UCu{sub 5{minus}x} Pd{sub x} . {copyright} {ital 1999} {ital The American Physical Society}},
doi = {10.1103/PhysRevLett.83.2421},
journal = {Physical Review Letters},
number = 12,
volume = 83,
place = {United States},
year = {1999},
month = {9}
}