Theoretical and Experimental Aspects of Valence Fluctuations and Heavy Fermions

Front Matter....Pages i-xxiii
Front Matter....Pages N1-N1
Where are We in the Mixed Valence Story?....Pages 1-8
Actinides and Heavy Fermions....Pages 9-9
Cooperative Phenomena in the Heavy Fermion Systems UBe 13 and U 1−x Th X Be 13 ....Pages 11-15
Phase Transitions in Heavy-Electron Materials....Pages 17-28
Understanding Photoemission Spectra in Uranium Based Heavy Fermion Systems....Pages 29-38
Experiments on the Heavy Electron Superconductors UBe 13 and URu 2 Si 2 ....Pages 39-46
Low Temperature Properties of CeCu 5 and Related Compounds....Pages 47-55
Phenomenological Relationships in Heavy Fermi Liquids....Pages 57-63
The Coherent State in the Heavy Fermion CeCu 6 ....Pages 65-76
Correlations in Heavy Fermions....Pages 77-86
Heavy Electron Metals and Anisotropic Superconductors....Pages 87-97
Microscopic Theory of Strongly Correlated Fermi Systems....Pages 99-108
Monte Carlo Simulation of Magnetic Impurities in Metals....Pages 109-114
Fermi Surfaces of Mixed Valent and Heavy Fermion Metals....Pages 115-123
Effect of f-d Coulomb Correlations and Many-Body Resonance in Intermediate Valence Systems: f- Photoemission....Pages 125-131
Pressure Dependence of the Specific Heat of Heavy-Fermion Compounds....Pages 133-139
Response of Kondo Lattice Systems to Pressure....Pages 141-150
Heavy Fermions and Coherent and Incoherent Valence Fluctuations in Cerium Systems....Pages 151-158
Coherence in CePd 3 ....Pages 159-168
Front Matter....Pages 169-178
Phase Diagram of the Kondo Lattice....Pages N1-N1
Direct 4f Band Model in CeRh 3 B 2 ....Pages 179-185
The Fermi Surface of CeSb....Pages 187-196
X-Ray Absorption Spectroscopy on Mixed-Valent Materials....Pages 197-204
The Role of Compound Electronic Structure in Ce-Valence Instabilities....Pages 205-215
Correlation between Valence and Electronic Structure as Studied by Exafs in RM 2 X 2 Compounds....Pages 217-224
Mixed Valence in Chemistry....Pages 225-234
The Interatomic Intermediate Valence State of Insulating Correlated Oxides CeO 2 , PrO 2 and TbO 2 ....Pages 235-242
High-Energy Spectroscopy Of CeF 4 : Covalency Versus Mixed Valency....Pages 243-251
Raman and Brillouin Scattering Spectroscopy of Intermediate Valence and Heavy Fermion Compounds....Pages 253-260
Far-Infrared Properties of Intermediate Valence- and Heavy Fermion Materials....Pages 261-268
Spin Correlations in Heavy Fermion Systems....Pages 269-278
Paramagnetic Scattering from Some Ce And Yb based Valence Fluctuation : Kondo-Lattice Systems....Pages 279-286
Nuclear Magnetic Resonance in Heavy Fermion Systems....Pages 287-296
 151 Eu Mössbauer Studies of Some Valence Fluctuating Systems....Pages 297-306
Effects of Thorium Doping in (U, Th)Pt 3 , and (U, Th)Be 13 ....Pages 307-317
Low Temperature Magneto Transport in Yb (1−x) Tm (x) S....Pages 319-328
Front Matter....Pages 329-336
Nuclear Magnetic Resonance Study of the Heavy-Fermion System URu 2 Si 2 ....Pages 337-337
Resistivity Studies on UM 2 Si 2 (M = Rh, Ir, Ru and Os)....Pages 337-340
Low-Temperature Specific Heat of UBe 13 ....Pages 341-344
Front Matter....Pages 345-348
Normal State Magnetic Behavior of (U 1−x RE X )BE 13 Pseudobinaries....Pages 337-337
Raman Scattering from Spin Fluctuations and Phonons in UPt 3 ....Pages 349-352
High Pressure Investigations on the Heavy Fermion Material UPt 3 at 300K....Pages 353-356
Microscopic Study of Magnetism in Heavy-Electron U 2 Zn 17 by μ + SR....Pages 357-360
f-Band Narrowing in Uranium Intermetallics....Pages 361-364
Heavy Electron Behavior in the System UPd 2−X Au X Sn (0 ≤ x ≤2)....Pages 365-368
Magnetoresistive Effects in the Upper Critical Fields of Heavy Fermion Superconductors....Pages 369-373
The Role of Re in the Magnetic Properties of U(Fe 1−x Re x ) 2 ....Pages 375-378
Manifestation of Impurity-Like Behaviour of 5f in Electron Spectroscopy of U x Y 1−x B 4 ....Pages 379-382
Soft X-ray Absorption Spectra of Uranium Intermetallics....Pages 383-386
L 3 X-ray Absorption in Compounds of U, Np, and Pu....Pages 387-390
Pressure-Induced Electronic Structure Changes in USb....Pages 391-395
Resistivity and Susceptibility Studies on CeCu 6−x Au x Alloys....Pages 397-400
L 3 -Edge Study of the CeCu 2−X Ni X Si 2 Series Of Compounds....Pages 401-404
Magnetization Studies of CeCu 2 Si 2−x Ge x Alloys....Pages 405-408
Evolution with Pressure of a Heavy Mass Ground State in Chemically Expanded CeRu 2 Si 2 ....Pages 409-412
Competition of Magnetism and Kondo Effect in (Ce,Y)Pd 2 Si 2 compounds....Pages 413-416
Electrical Behaviour of Heavy Electron Compounds....Pages 417-420
Field Induced Magnetic Saturation Effects in (Ce-La)Ru 2 Si 2 and (Ce-Y)Ru 2 Si 2 Kondo Lattices....Pages 421-424
Influence of Substitutions on the Low-Temperature Behaviour of CePd 3 ....Pages 425-428
Front Matter....Pages 429-432
Pressure Dependence of the Resistivity of CE 3 AL....Pages 337-337
A New Magnetic Transition in Ce (Fe 1−x Co x ) 2 , x < 0.3....Pages 433-436
Magnetic Behaviour of Isolated Sm Ions in γ-Ce and α-Ce....Pages 437-440
Kondo Effect in the ( Y , Tm)S Dilute System....Pages 441-444
Crystallographic and Magnetic Investigations in the Pseudoternary Alloy System Ce(Ir 1−x Rh x ) 2 Si 2 ....Pages 445-449
Physical Properties of CeM 2 Si 2 (M = Mn, Fe, Co, Ni, Cu)....Pages 451-454
Spin Fluctuation Effects in Germanium Doped YbPd 2 Si 2 : L III -Edge, Susceptibility and Resistivity Studies....Pages 455-458
Magnetic Susceptibility of YbCuGa, YbAgGa and YbAuGa Compounds....Pages 459-462
Magnetic Behaviour of CeRh 3−x Ir x B 2 Alloy System....Pages 463-466
Structure and Magnetic Properties of CeIr 3 B 2−x Si x System....Pages 467-470
Evidence for Spin Fluctuations in the Mixed Valent Superconductors Ce(Ru 1-x Os x ) 3 B 2 ....Pages 471-474
Effect of Exchange Field on the Anomalous Behaviour of 4F State of Ce in Ce 1-x Gd x Rh 3 B 2 ....Pages 475-479
Coexistence of Intermediate Valence Ce and Ce 3+ in the Ce 2 Sn 5 Compound....Pages 481-484
XANES of Some Ce Mixed-Valent Compounds....Pages 485-490
The Anderson Lattice and Universal Properties of Heavy Fermion Systems....Pages 491-494
On a Mean Field Theory for Superconductivity in Highly Correlated Electron Systems....Pages 495-499
Superconductivity in Heavy Electron Systems: Axial or Polar State?....Pages 501-504
Some Remarks on the Gutzwiller Wave Function....Pages 505-508
Properties of the Gutzwiller Wavefunction....Pages 509-512
Quantum Monte Carlo Simulation of Anderson Lattice in One Dimension....Pages 513-516
Front Matter....Pages 517-520
Energetics of Mixed Valent Systems....Pages 337-337
Spatial Correlations around Magnetic Impurities in Metals....Pages 521-525
Spin-Spin Correlations in the 2-Impurity Kondo Problem....Pages 527-530
Pairing in Anderson Model....Pages 531-536
Thermodynamics of the Coqblin-Schrieffer Model with Crystal Fields....Pages 537-539
Electronic Quasiparticles in the Anderson Lattice: Atomic Limit Versus Hybridized Band Picture....Pages 541-544
First Principles Calculation of Model Hamiltonian Parameters for Hybridizing Cerium Systems....Pages 545-548
Crystal Fields and the Quadrupolar Kondo Effect in a Model Uranium Impurity....Pages 549-551
Upper and Lower Bounds on the Single-Impurity-Anderson-Model....Pages 553-556
On Hamiltonian Functional Integrals with Constraints on Auxiliary Boson States....Pages 557-560
Collective Modes of the Superconducting State in Coexistence with Other Ordered States....Pages 561-564
A Time-Dependent Pseudopotential and Valence Fluctuations....Pages 565-568
A Simple but Rigorous Model for Valence Mixing: Energy Levels, Thermodynamic Properties, and Phase Diagrams....Pages 569-572
Electronic Structure of Ce Compounds....Pages 573-576
Electron Transport in Mixed Valence and Heavy Fermion Metals....Pages 577-580
The Breakdown of Normal Magnetic Order in Rare Earth Metals....Pages 581-584
High Temperature Specific Heat of Mixed-Valence Compounds....Pages 585-588
Tm — A Three Level Mixed Valent System....Pages 589-592
Ferromagnetic Order in 4f-Systems with Valence Instabilities....Pages 593-596
Effect of Excitonic Correlations on Magnetic Order in Mixed Valence 4f-Systems....Pages 597-599
Front Matter....Pages 601-604
Acoustic Attenuation in Kondo Lattice....Pages 337-337
Linewidths in Neutron Scattering Spectra of Non-Cubic Cerium Kondo Compounds....Pages 605-608
Valence Change in Praseodymium (Pr) and Ytterbium (Yb) Under High Pressure....Pages 609-612
X-Ray Diffraction Study on CeAl 3 up to 25 GPa....Pages 613-616
High Pressure Studies on Some Cerium Compounds....Pages 617-620
Valence Change in Amorphous Yb-Pd Alloys....Pages 621-624
Pressure Studies on the Valence Transition in Sm 4 Bi 3 ....Pages 625-628
Magnetically Induced Valence Transition in Eu 1−x Sm X S....Pages 629-632
On the Phase Transformation Ceγ $$\leftrightarrows$$ Ceα....Pages 633-636
Pressure Induced Valence Transition in Cerium Studied by Positron Annihilation Spectroscopy....Pages 637-640
Study of CeNi 2 Transformation Upon Hydrogen Absorption....Pages 641-645
Magnetization and 119 Sn Mossbauer Studies in the Intermediate Valence System EuPd 2 (Si 1−x Sn x ) 2 ; 0 < x < 0.05....Pages 647-650
X-Ray Diffraction and Mössbauer Effect Measurements near a Valence Transition....Pages 651-654
Study of Mixed Valent Alloys Sm 1−x Sc X S by X-Ray Absorption Technique....Pages 655-658
X-Ray Absorption Study of the Pressure-Induced Semiconductor-Metal Transition in TmSe 1−x Te X ....Pages 659-662
Use of L III Xanes for the Determination of Atomic Relaxation in Mixed-Valent Materials....Pages 663-666
Optical Dielectric Function of UBe 13 , CeBe 13 , and ThBe 13 ....Pages 667-670
Behaviour of Eu Valence in RECu 2 Si 2 and REPd 2 Si 2 Matrices....Pages 671-674
Valence State of Europium in EuCuGa, EuAgGa and EuAuGa Compounds....Pages 675-678
Measurement of Local Susceptibility at 140 Ce in CePd 3 ....Pages 679-682
Front Matter....Pages 683-686
ESR Spectra Of NON-S Ions in the Intermediate Valence Compound CePd 3 ....Pages 337-337
Phase Shifts in Rare-Earth Compounds....Pages 687-690
Mixed Valence Properties of Oxide Ions in Metal Oxides....Pages 691-694
Studies on ZrSiS and ZrMSiAs(M=Cu,Ni) Phases with the PbFCl Structure....Pages 695-698
Low Temperature Electrical Properties of Shandite Phases, A 2 M 3 Ch 2 ....Pages 699-700
S→ d Electron Transfer and Superconductivity in Ba under Pressure....Pages 701-702
Lattice Instabilities in Heavy Fermion Superconductors....Pages 703-706
Experimental Summary....Pages 707-719
Summary for Theoretical Work How to Understand the Valence Fluctuating State....Pages 721-725
Back Matter....Pages 727-735
....Pages 737-750