Low energy excitations of highly correlated electron systems

S. R. Julian; A. P. Mackenzie; G. J. McMullan; C. Pfleiderer; F. S. Tautz; I. R. Walker; G. G. Lonzarich

doi:10.1007/BF00754921

Low energy excitations of highly correlated electron systems

S. R. Julian, A. P. Mackenzie, G. J. McMullan, C. Pfleiderer, F. S. Tautz, I. R. Walker, G. G. Lonzarich

University of Cambridge

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Abstract

Recent studies of properties of heavy quasiparticles have helped to establish that f electrons and conduction electrons in the normal states of certain U and Ce compounds are characterised by Fermi volumes consistent with Luttingeris Theorem and by integrated qnasiparticle masses which agree with measured linear coefficients of the specific heat. Evidence is presented that this Fermi Liquid picture may, however, break down when the ground state is near pressure or magnetic field induced phase transitions.

Original language	English
Pages (from-to)	39-43
Number of pages	5
Journal	Journal of Low Temperature Physics
Volume	95
Issue number	1-2
DOIs	https://doi.org/10.1007/BF00754921
State	Published - Apr 1994
Externally published	Yes

Keywords

71.28
75.20

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keywords = "71.28, 75.20",

author = "Julian, {S. R.} and Mackenzie, {A. P.} and McMullan, {G. J.} and C. Pfleiderer and Tautz, {F. S.} and Walker, {I. R.} and Lonzarich, {G. G.}",

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AU - Julian, S. R.

AU - Mackenzie, A. P.

AU - McMullan, G. J.

AU - Pfleiderer, C.

AU - Tautz, F. S.

AU - Walker, I. R.

AU - Lonzarich, G. G.

PY - 1994/4

Y1 - 1994/4

N2 - Recent studies of properties of heavy quasiparticles have helped to establish that f electrons and conduction electrons in the normal states of certain U and Ce compounds are characterised by Fermi volumes consistent with Luttingeris Theorem and by integrated qnasiparticle masses which agree with measured linear coefficients of the specific heat. Evidence is presented that this Fermi Liquid picture may, however, break down when the ground state is near pressure or magnetic field induced phase transitions.

AB - Recent studies of properties of heavy quasiparticles have helped to establish that f electrons and conduction electrons in the normal states of certain U and Ce compounds are characterised by Fermi volumes consistent with Luttingeris Theorem and by integrated qnasiparticle masses which agree with measured linear coefficients of the specific heat. Evidence is presented that this Fermi Liquid picture may, however, break down when the ground state is near pressure or magnetic field induced phase transitions.

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KW - 75.20

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SP - 39

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JF - Journal of Low Temperature Physics

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ER -

Low energy excitations of highly correlated electron systems

Abstract

Keywords

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