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MAX-PLANCK-INSTITUT FÜR PHYSIK KOMPLEXER SYSTEME
5th German-Japanese Meeting on
Magnetism and Superconductivity
in Highly Correlated Electron Systems
Dresden July 7 - 10, 1998
Scientific Coordinators:
| T. Fujita |
G. Güntherodt |
Y. Kuramoto |
P. Wölfle |
| (Hiroshima) |
(Aachen) |
(Tohoku) |
(Karlsruhe) |
Max Planck Institute for Physics of Complex Systems
Nöthnitzer Strasse 38
D-01187 Dresden
Tel.: +49-351-871-2105; Fax: +49-351-871-2199
http://www.mpipks-dresden.mpg.de
PROGRAM
MONDAY, 6 JULY
TUESDAY, 7 JULY
Orbital Ordering in Rare Earth Compounds
Chair: P. Fulde
| 08:50 - 09:00 |
Opening address |
|
| 09:00 - 09:30 |
H. Shiba |
Quadrupolar Order and Field-Induced
Moments in CeB6 and TmTe |
| 09:30 - 10:00 |
T. Sakakibara |
Magnetization Study on the
Antiferro-Quadrupolar Ordering System |
| 10:00 - 10:30 |
Y. Kuramoto |
Interplay of Spin and Orbital Kondo Effects
in CexLa1-xB6 |
| 10:30 - 11:00 |
H. Yamagami |
Magnetic Properties and Electronic Structure of
f electron |
| |
|
Systems in Spin-Polarized Relativistic Density Functional Theory |
| 11:00 - 11:30 |
COFFEE BREAK |
|
High-Tc Superconductors I
Chair: Y. Kuramoto
| 11:30 - 12:00 |
A. Loidl |
Optical Conductivity in High-Tc Superconductors |
| 12:00 - 12:30 |
Y. Endoh |
Interplay among Spins, Charges and Orbitals
in the Metallic Oxides |
| 12:30 - 13:00 |
T. Kopp |
Magnetic Excitations in the Mid-Infrared Spectrum |
| |
|
of Low Doped Cuprates (YBCO) |
| 13:00 - 14:30 |
LUNCH |
|
Kondo Systems
Chair: J. Keller
| 14:30 - 15:00 |
A. Fujimori |
Evolution of (Pseudo) Gap in Kondo
Insulators |
| |
|
studied by Photoemission Spectroscopy |
| 15:00 - 15:30 |
H. Aoki |
Fermi Surface Properties of Highly Correlated |
| |
|
Electron Systems under High Pressure |
| 15:30 - 16:00 |
Y. Aoki |
Thermal Study on Heavy-Fermion Systems with |
| |
|
Metamagnetic-Like Anomaly |
| 16:00 - 16:30 |
COFFEE BREAK |
|
Low-Dimensional Metals
Chair: B. Lüthi
| 16:30 - 17:00 |
K. Schönhammer |
Spectral Properties of Inhomogeneous
Luttinger Liquids |
| 17:00 - 17:30 |
S. Hüfner |
Electronic Structure of Low Dimensional
Transition Metal Compounds |
| 17:30 - 18:00 |
Y. Kato |
Exact Result on Hole Dynamics of One-Dimensional |
| |
|
Supersymmetric t-J Model with Long-range Interaction |
| 18:30 - 20:00 |
SUPPER |
|
Low Dimensional Systems I
Chair: D. Vollhardt
| 20.00 - 20:30 |
P. Thalmeier |
Charge Order and Spin Chains in 4f/3d
Semimetals and Insulators |
| 20:30 - 21:00 |
C. Gros |
The Spin-Phonon Coupling in CuGeO3 |
WEDNESDAY JULY, 8
Theory
Chair: H. Shiba
| 09:00 - 09:30 |
D. Vollhardt |
Disorder-enhanced Delocalization and
Local-moment |
|
|
Quenching in a Disordered Antiferromagnet |
| 09:30 - 10:00 |
F. Wegner |
Flow Equations for Hamiltonians |
| 10:00 - 10:30 |
J. Kroha |
Fermi and Non-Fermi Liquid Behavior of Local
Moment |
|
|
Systems: Conserving Slave Boson Theory |
| 10:30 - 11:00 |
H. Keiter |
DMFT and LACE Expansion in High-Dimensional Lattices |
| 11:00 - 11:30 |
COFFEE BREAK |
|
Mott-Hubbard Transition
Chair: K. Schönhammer
| 11:30 - 12:00 |
M. Imada |
Universality of Flat Dispersion near Instabilities
to |
|
|
Insulators of Superconductors |
| 12:00 - 12:30 |
S. Kehrein |
Density of States near the Mott-Hubbard
transition |
|
|
in the Limit of Large Dimensions |
| 12:30 - 13:30 |
LUNCH |
|
| 13:30 - 15:30 |
Poster Session |
|
|---|
| 15:30 |
|
EXCURSION TO PILLNITZ CASTLE |
| |
|
ABOARD A STEAM BOAT ON THE ELBE RIVER |
| 19:30 |
DINNER AT 'PALAISRESTAURANT', HOTEL 'WESTIN BELLEVUE' |
|
THURSDAY, JULY 9
Low Dimensional Systems II
Chair: F. Steglich
| 09:00 - 09:30 |
H. Fukuyama |
Spin Gap, Antiferromagnetism and Disorder |
| 09:30 - 10:00 |
B. Lüthi |
Magnetic Resonance in Low Dimensional Spin Systems |
| 10:00 - 10:30 |
G. Uhrig |
Spin Dynamics of Frustrated and Dimerized
Heisenberg Chains |
| 10:30 - 11:00 |
COFFEE BREAK |
|
Quantum Phase Transitions I
Chair: K. Ueda
| 11:00 - 11:30 |
H. v. Löhneysen |
Fermi-liquid Instabilities in
Heavy-Fermion Systems |
| 11:30 - 12:00 |
K. Miyake |
A Theory of Spin Fluctuations near the
Antiferromagnetic |
|
|
Quantum Critical Point: Uniform Susceptibility |
| |
|
and Enhanced Impurity Scattering |
| 12:00 - 12:30 |
T. Fujita |
Complex Phase Transitions in UNiSn |
| 12:30 - 14:00 |
LUNCH |
|
Quantum Phase Transitions II
Chair: H. v. Löhneysen
| 14:00 - 14:30 |
T. Takabatake |
Pressure-Induced Quantum Phase Transition
in Ce7Ni3 |
| 14:30 - 15:00 |
G. Sparn |
Pressure Studies near Quantum Phase Transitions in
Strongly |
|
|
Correlated Ce Systems |
| 15:00 - 15:30 |
COFFEE BREAK |
|
Chain and Ladder Systems
Chair: Y. Endoh
| 15:30 - 16:00 |
J. Fink |
Electronic Structure Studies of Cu-O Planes, |
|
|
Ladders, and Chains |
| 16:00 - 16:30 |
K. Ueda |
Pseudo Spin Gap and Superconductivity of the
Trellis |
|
|
Lattice Hubbard Model |
| 16:30 - 17:00 |
N. Kawakami |
Generalized Spin Ladders with Mixed Spins |
| 17:00 - 17:30 |
COFFEE BREAK |
|
Low Dimensional Systems III
Chair: T. Fujita
| 17:30 - 18:00 |
C. Geibel |
Thermodynamic Properties of - NaV2O5 |
| 18:00 - 18:30 |
P. Lemmens |
Magnetic Bound States in the Quarter-Filled |
|
|
Spin Ladder System - NaV2O5 |
| 18:30 - 20:00 |
SUPPER |
|
Charge Fluctuation Phenomena
Chair: K. Miyake
| 20:00 - 20:30 |
T. Goto |
Charge Fluctuation Effects in Yb4As3 and
Sm3 Te4 |
| 20:30 - 21:00 |
M. Kohgi |
Neutron Scattering Study of the Heavy Electron
State Caused by |
| |
|
the Charge Ordering in Yb4As3 |
FRIDAY, JULY 10
High-Tc Superconductors II
Chair: H. Keiter
| 09:00 - 09:30 |
W. Hanke |
SO(5) Theory of High-Tc
Superconductivity: A New |
| |
|
Symmetry Concept in Solid State Physics |
| 09:30 - 10:00 |
H. Monien |
Coupled Strongly Correlated Systems |
| 10:00 - 10:30 |
A. Muramatsu |
Gradient Expansions for the t-J and Hubbard Model |
| 10:30 - 11:00 |
T. Pruschke |
On the Coexistence of d-Wave Pairing and
Strong |
| |
|
Local Correlations |
| 11:00 - 11:30 |
COFFEE BREAK |
|
Unconventional Superconductors
Chair: H. Fukuyama
| 11:30 - 12:00 |
M. Ishikawa |
Magnetism and Superconductivity in CeCu2Si2 |
| 12:00 - 12:30 |
Y. Onuki |
Fermi Surface and Magnetism of UPt3 |
| 12:30 - 13:00 |
M. Sigrist |
Sr2RuO4: Evidence for Spin-Triplet
Pairing |
| 12:30 - 14:00 |
LUNCH |
|
END OF THE MEETING
DEPARTURE
Posters
| Assaad, Fakher F. |
Doping induced metal-insulator transition in Hubbard
and |
|---|
| |
extended Hubbard models |
| Brunner, Michael |
A projector Monte Carlo algorithm for the t-J and
t-Jz model |
| Ceccatto, Alejandro |
Superconductivity in a generalized t-J model for
the cuprates: |
| |
Fluctuation corrections to a mean-field picture |
| Endoh, Yasuo |
Interplay among spins, charges, and orbitals in the
metallic oxides |
| Krug v. Nidda, H.-A. |
ESR experiments on Kondo insulators |
| Lohmann, Meike |
Magnetic, transport and thermal properties of some
alkali- |
| |
vanadium oxides |
| Penc, Karlo |
Dynamical supersymmetry in the Kondo-lattice model on a |
| |
complete graph |
| Pfleiderer, Christian |
Magnetic quantum phase transition in MnSi under
hydrostatic |
| |
pressure |
| Stockert, Oliver |
Magnetic order and fluctuations near the magnetic
instability |
| |
in CeCu6-xAux investigated by neutron scattering |
| Trovarelli, Octavio |
Low temperature properties of new Yb-based magnetic
Kondo-lattices |
| van Dongen, Peter |
Incommensurate magnetism in the high-dimensional
Hubbard model |
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GJM Workshop
6/25/1998