Table Of ContentContents 
Preface  Vii 
Committees  Vill 
Section  1. Theory 
Micromagnetism  in heavy-fermion  compounds 
P. Coleman  and J. Gan 
Local and band approaches  to actinide  systems 
J.W.  Rasul  10 
Itinerant-localized  duality model  for heavy fermions  and strongly correlated  metals 
K. Miyake and Y. Kuramoto  20 
Valence  and spin fluctuations  in one-dimensional  systems 
P. Schlottmann  30 
The f-electron  spectrum  for Anderson’s  model 
J. Gruneberg and H. Keiter  39 
Orbitals, correlation  and valencies  in high-7,, superconductors 
D.I. Khomskii  44 
Pair correlation  effects  in heavy fermions 
B.A. Jones  a2 
Renormalization-group  calculation  of dynamical properties for impurity models 
L.N.  Oliveira,  V.L.  Libero, H.O.  Frota and M. Yoshida  61 
Nuclear magnetic relaxation  for the spin-degenerate  Anderson  model 
M.A.  Whitaker  and L.N. Oliveira  69 
On the spin liquid phase of the doped Heisenberg model 
C.A.  Balseiro  74 
Dynamics of one  hole in the polarized t—J model 
K. Hallberg, A.G.  Rojo and C.A. Balseiro  82 
Analysis of ARPES  of high-7,, superconductors 
H. Kim and PS. Riseborough  88 
Electron-lattice  interaction  in  Sm ;_, Y,S-like systems 
M. Kiwi, M. Rivas and J. Rossler  91
Contents 
Hybridization  effects on superconductivity  in transition  metals 
G.M. Japiassu,  M.A.  Continentino  and A. Troper 
Electronic  structure  and magnetization  in Ce(Fe,Al;_,)2  and Ce(Fe,Mn;_,)2 
P.K. Khowash 
Renormalization  of the tunneling rate between  two centers  in a metal 
V.L.  Libero and L.N. de Oliveira 
The ground state of dilute Tm, Pr, and U systems is degenerate 
M. Balina and A.A. Aligia 
Effect of paramagnons on the relaxation rate of a rare-earth impurity in a nearly magnetic metal 
FP. Marin and B. Cogpblin 
Effects of disorder on  the formation  of coherence  in a heavy-fermion  alloy 
R. Sollie and P. Schlottmann 
Comparison  of theory and experiment for the dilute  Kondo  alloy AgFe 
P.D. Sacramento  and P. Schlottmann 
Functional  expansion of the Anderson  and SU(N) lattice  models 
M.E.  Foglio 
Multiplicity  excitations,  pseudomultiplicity  and fluctuating valence  in the problem  of high-7, 
supercor.ductors 
S.V. Vonsovsky and M.S. Svirsky 
Magnetism  in Kondo lattices 
S.V. Vonsovsky,  V. Yu. Irkhin and M.I. Katnelson 
Superconducting state of UPt; 
V.P. Mineev 
Issues in heavy fermions  and in high-7, superconductive  materials  raised  at this conference 
C.M. Varma 
Section 2. Experiment 
Heavy-fermion  compounds,  studied  using the de Haas—van  Alphen effect 
M. Springford 
Quasiparticle  properties in ferromagnetic  CeRu2Ge2 
C.A.  King and G.G.  Lonzarich 
Cerium  interatomic  spacing and its magnetic behaviour 
J.G. Sereni  and J.P. Kappler 
Hybridization  and crystal field in YbPd2Si, 
P. Bonville,  J.  Hammann, J.A. Hodges, P. Imbert, G. Jéhanno,  M.J. Besnus  and A. Meyer 
Electron  spectroscopy of strongly correlated  systems 
J.W. Allen 
Correlation  between  magnetism and local order:  The case  of the mixed valent system CeFe> 
A. Marcelli,  J.  Chaboy, J. Garcia and EF Sette
Contents  xi 
Electronic  instabilities  in heavy-fermion  compounds 
A. de Visser, J. Flouquet, J.J.M.  Franse, P. Haen, K. Hasselbach, A. Lacerda  and L. Taillefer  190 
Gap at Fermi  level  in some  new  d- and f-electron  intermetallic  compounds 
FG. Aliev  199 
Magnetism  and superconductivity  in heavy-fermion  systems 
S. Horn  206 
New aspects in magnetism  and superconductivity  of heavy-electron  compounds 
H.R.  Ott  212 
Evidence for unconventional superconductivity in single crystals of the antiferromagnetic heavy- 
electron  coumpound  URu2Siy 
M.B.  Maple,  Y. Dalichaouch,  B.W.  Lee, C.L.  Seaman,  P.K.  Tsai, PE.  Armstrong,  Z. Fisk, 
C. Rossel  and M.S. Torikachvili  219 
NMR study of highly correlated  systems 
K. Asayama,  Y. Kitaoka and Y. Kohori  226 
NMR study of quasiparticle gap in CeNiSn 
M. Kyogaku, Y. Kitaoka,  H. Nakamura,  K. Asayama, T: Takabatake,  FE Teshima  and H. Fujii  235 
Nuclear  magnetic relaxation  of dense  Kondo system  YbAgCuy, 
H. Nakamura,  K. Nakajima,  Y. Kitaoka,  K. Asayama,  K. Yoshimura  and T. Nitta  238 
Nuclear  magnetic relaxation  of low carrier system Yb4As3 
H. Nakamura,  S. Hirooka,  Y. Kitaoka,  K. Asayama,  O. Nakamura,  T: Suzuki  and T: Kasuya  242 
Copper NMR  and hole depletion  in the normal  state of Y;_,Pr,Baz2Cu307 
D.E.  MacLaughlin,  A.P.  Reyes,  M. Takigawa,  P.C.  Hammel,  R.H.  Heffner,  J.D.  Thompson 
and J.E. Crow  245 
Evidence  for a ‘coherence’  gap in Ce3Bi4Pt3 
M.F.  Hundley, P.C. Canfield,  J.D. Thompson,  Z. Fisk and  J.M. Lawrence  254 
Anomalous  Hall effect of heavy-fermion  CeRu?2Siz  under pressure 
R. Djerbi, P. Haen and J.-M.  Mignot  258 
Hall effect in CeCu4gGa and CeCu3Gaz  alloys 
A. Hamzic, A. Fert and E. Bauer  263 
Magnetotransport  properties of YbNiSn 
L. D’Onofrio,  A. Hamzi¢ and A. Fert  266 
The crystalline electric field as a direct probe for charge transfer processes  in high-temperature 
superconductors 
P. Allenspach,  J. Mesot,  U. Staub,  A. Furrer,  H. Blank,  H.  Mutka,  C. Vettier,  E. Kaldis, 
J. Karpinski  and S. Rusiecki  269 
A comparison  of the static magnetic field induced  magnetisation  densities  in UPt3 and UBej3 
K.U.  Neumann,  PJ.  Brown,  H.  Capellmann,  K.R.A.  Ziebeck,  J.L.  Smith,  Z.  Fisk, 
J.J.M.  Franse  and A. Menovsky  273 
Antiferromagnetic  correlations,  coherence  and superconductivity  in UPt3 
G. Aeppli, C. Broholm,  E. Bucher and D.J. Bishop  278
Contents 
Small-angle  neutron  scattering at the superconducting phase transition 
N.R. Bernhoeft 
Transport and magnetic properties of Sm monopnictides 
S. Ozeki, Y. Ohe, Y.S.  Kwon,  Y. Haga, O. Nakamura,  T: Suzuki  and T: Kasuya 
Finite temperature  static susceptibility of the Anderson  lattice 
L.G. Brunet,  M.A.  Gusmao,  R.M.  Ribeiro-Teixeira  and J.R.  Iglesias 
Magnetic and transport  properties of cerium  Kondo compounds 
S.M.M.  Evans, A.K.  Bhattacharjee  and B. Cogblin 
Nature of the second  transition  in UPt; 
R. Joynt 
Anisotropic superconducting and normal state properties of the electron-doped Lnz_,Ce,CuO4_, 
single crystals (Ln=Nd and Sm) 
Y. Dalichaouch,  C.L.  Seaman,  C.C.  Almasan,  M.C.  de Andrade,  H. Iwasaki,  PK.  Tsai  and 
M.B.  Maple 
Magnetovolume  study of the metamagnetic  transition  of CeRu2Siz  below  | K 
A. Lacerda, A. de Visser, L. Puech, C. Paulsen,  P. Haen, P. Lejay and J. Flouquet 
On the common  feature of the optical reflectivity in rare-earth  monopnictides due to 5d electron 
screening 
Y.S. Kwon, M. Takeshige,  O. Nakamura,  T: Suzuki  and T: Kasuya 
An analysis of the ESR-linewidth  results  in intermediate  valence  systems Ce(Pd3_,T,)  (T=Rh, 
Ag) 
M.M.  Ochi and O.L.T.  de Menezes 
Kondo behaviour  in an extremely low carrier concentration  system:  CeP 
Y.S.  Kwon, Y. Haga, O. Nakamura,  T: Suzuki  and T: Kasuya 
Origin of the 1 K-transition  of UCus  : 
H. Nakamura,  Y. Kitaoka,  K. Asayama and Y. Onuki 
Cu(2) dynamical correlations  in YBazCu30O,  studied by Méssbauer spectroscopy on substituted 
170Yp3+ 
J.A. Hodges, P. Bonville,  P. Imbert  and G. Jéhanno 
Ce3In:  A cerium concentrated  heavy fermion 
J.G. Sereni, G.L.  Nieva, G.L. Olcese, A. Herr and J.P. Kappler 
Hyperfine  interaction  study of the U(In;_,Sn,)3  system 
M. Rots 
Low-temperature  magnetic relaxation  in BizSr2CaCu2Og 
L. Fruchter, A. Hamzi¢,  R. Hergt and I.A. Campbell 
Crossover  between  intermediate  valence  and magnetic order in CeRh,;_,Pd, 
J.P. Kappler,  M.J. Besnus, A. Herr, A. Meyer and J.G. Sereni 
The ferromagnetism  of CeRu2Ge? 
M.J. Besnus, A. Essaihi,  N. Hamdaoui,  G. Fischer, J.P. Kappler, A. Meyer, J. Pierre, P. Haen 
and P. Lejay
Contents  Xill 
Neutron  spectroscopic  study of the  crystalline  electric  field  in the ytterbium  monopnictides 
YbX (X=N, P, As, Sb) 
A. Donni, A. Furrer,  P. Fischer,  F Hulliger and P. Wachter  353 
Incommensurabilities  and metamagnetism  in the heavy-fermion  alloys (Ceo,gLag,2)Ru2Siz  and 
CeRup(Sio.9Geo,1 )2 
J.-M.  Mignot,  L.-P.  Regnault, J.-L. Jacoud, J. Rossat-Mignod,  P. Haen  and P. Lejay  SST 
Anomalous  thermodynamic,  transport  and  Mossbauer  properties  of UNiSn:  A half-metallic 
system 
T. Yuen, C.L.  Lin, P. Schlottmann,  N. Bykovetz, P. Pernambuco-Wise  and J.E. Crow  362 
A '!°Sn Mossbauer  study of the magnetic to nonmagnetic  transition  in U(In;_,Sn,)3 
T. Yuen, N. Bykovetz,  G.Y. Jiang, C.L.  Lin, P.P. Wise and J.E. Crow  367 
Antiferromagnetism  and enhanced  specific heat in CeM2Snz  (M=Ni,  Ir, Cu, Rh, Pd, and Pt) 
W.P.  Beyermann,  M.F.  Hundley,  P.C.  Canfield,  C. Godart,  M. Selsane,  Z. Fisk, J.L.  Smith 
and J.D. Thompson  373 
Specific heat in a magnetic field for the extremely low carrier system  Yb4As3 
O. Nakamura,  N. Tomonaga,  A. Ochiai, T: Suzuki  and T: Kasuya  377 
Thermal  expansion  and infrared  optical properties of heavy-fermion  CeNiSn 
FG. Aliev, A.I.  Belogorochov,  V.V.  Moshchalkov,  R.V.  Scolozdra,  M.A.  Lopez de la Torre, 
S. Vieira and R. Villar  381 
Heavy-fermion,  magnetic and superconducting behavior of (Ce, M)CuzSiz;  M =  Y, La, Th 
B. Andraka,  C.S. Jee, J.S. Kim, H. Li, M.W.  Meisel  and G.R.  Stewart  384 
Experimental  summary —  valence  fluctuations,  heavy fermions,  and high-7, superconductivity 
M.B.  Maple 
List of contributors 
Subject index 
Materials  index