Application of the SCR spin fluctuation theory for the magnetic instability in heavy fermion system Ce1-xLaxRu2Si2

被引:92
作者
Kambe, S
Raymond, S
Regnault, LP
Flouquet, J
Lejay, P
Haen, P
机构
[1] MAX PLANCK INST FESTKORPERFORSCH, GRENOBLE HIGH MAGNET FIELD LAB, F-38042 GRENOBLE, FRANCE
[2] CNRS, CTR RECH TRES BASSES TEMP, F-38042 GRENOBLE, FRANCE
[3] UNIV TOKYO, INST SOLID STATE PHYS, TOKYO 106, JAPAN
关键词
heavy fermion; spin fluctuation; magnetic instability;
D O I
10.1143/JPSJ.65.3294
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have applied the self-consistent renormalized (SCR) spin fluctuation theory to calculate several physical quantities measured for Ce1-xLaxRu2Si2 (x = 0, 0.05 and 0.075), namely the specific heat, resistivity, thermal expansion, spin-lattice relaxation and inelastic neutron scattering. A quantitative agreement between experiments and the theory has been obtained in all cases, indicating that the spin fluctuations dominate the thermal and dynamical properties near the magnetic instability in this system. Comparisons are also made with the recent renormalization group approach to the quantum critical point ill itinerant systems.
引用
收藏
页码:3294 / 3300
页数:7
相关论文
共 30 条
  • [1] MAGNETIC ORDER AND FLUCTUATIONS IN SUPERCONDUCTING UPT3
    AEPPLI, G
    BUCHER, E
    BROHOLM, C
    KJEMS, JK
    BAUMANN, J
    HUFNAGL, J
    [J]. PHYSICAL REVIEW LETTERS, 1988, 60 (07) : 615 - 618
  • [2] EVIDENCE FOR STATIC ULTRASMALL-MOMENT MAGNETISM IN CERU2SI2
    AMATO, A
    BAINES, C
    FEYERHERM, R
    FLOUQUET, J
    GYGAX, FN
    LEJAY, P
    SCHENCK, A
    ZIMMERMANN, U
    [J]. PHYSICA B-CONDENSED MATTER, 1993, 186-88 : 276 - 278
  • [3] NMR-STUDY OF THE SPIN FLUCTUATIONS IN KONDO LATTICE CERU2SI2 AND LA OR Y SUBSTITUTED ALLOYS
    BENAKKI, M
    KAPPLER, JP
    PANISSOD, P
    [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1987, 56 (09) : 3309 - 3318
  • [4] TUNING OF NON-FERMI-LIQUID BEHAVIOR WITH PRESSURE
    BOGENBERGER, B
    VONLOHNEYSEN, H
    [J]. PHYSICAL REVIEW LETTERS, 1995, 74 (06) : 1016 - 1019
  • [5] Dzyaloshinskii I. E., 1976, SOV PHYS JETP, V70, p[1987, 1036]
  • [6] THE MAGNETIC INSTABILITY IN THE HEAVY FERMION COMPOUNDS CE1-XLAXRU2SI2
    FISHER, RA
    MARCENAT, C
    PHILLIPS, NE
    HAEN, P
    LAPIERRE, F
    LEJAY, P
    FLOUQUET, J
    VOIRON, J
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1991, 84 (1-2) : 49 - 86
  • [7] CERU2SI2 - AN EXAMPLE OF HEAVY-FERMION METAMAGNETISM
    HOLTMEIER, S
    HAEN, P
    LACERDA, A
    LEJAY, P
    THOLENCE, JL
    VOIRON, J
    FLOUQUET, J
    [J]. PHYSICA B, 1995, 204 (1-4): : 250 - 254
  • [8] Characteristic of metamagnetic transition in CeRu2Si2 revealed with Hall mobility
    Kambe, S
    Flouquet, J
    Haen, P
    Lejay, P
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1996, 102 (5-6) : 477 - 486
  • [9] KAMBE S, 1995, SOLID STATE COMMUN, V96, P175
  • [10] FIELD-INDUCED RENORMALIZATION OBSERVED BY MAGNETORESISTANCE IN CERU2SI2
    KAMBE, S
    SUDEROW, H
    FLOUQUET, J
    HAEN, P
    LEJAY, P
    [J]. SOLID STATE COMMUNICATIONS, 1995, 95 (07) : 449 - 453