Workshop Program

Jeder Vortrag beträgt 15 Minuten, plus 10 Diskussion. Auβer die kombinierten Vorträge betragen 25 Minuten, plus 10 Minuten Diskussion.
Sunday, February 25
18:00 - 21:00 Registration
19:00 - 21:00 Welcome buffet
Monday, February 26
08:45 - 09:00 Opening (MPIPKS director)
Session: Ultracold Quantum Gases I
09:00 - 09:40 M. Zwierlein Ultracold atoms - dilute gases with strong interactions
09:40 - 10:05S. WesselUltacold atom gases on frustrated optical lattices
10:05 - 10:30C. KollathUltracold atoms: model system for strongly correlated systems
10:30 - 11:00COFFEE BREAK
Session: Ultracold Quantum Gases II
11:00 - 11:25M. Snoek Vortex-lattice melting in a one-dimensional optical lattice
11:25 - 11:50S. DiehlFunctional Renormalization Group for the BCS - BEC Crossover in Ultracold Fermion Gases
Session: Superconductivity and magnetism
11:50 - 12:15S. EggertField induced order in doped AFM
12:15 - 14:00LUNCH BREAK
Session: Superconductivity and magnetism (cont'd)
14:00 - 14:25F. Weber Opening of the superconducting energy gap observed in neutron spectroscopy
14:25 - 14:50T. KopecSuperconductivity emerging near U(1) topological critical points and the strange metal-phase in cuprates
14:50 - 15:15C. Gros RVB-Gutzwiller approach to strongly correlated superconductors
15:15 - 16:30COFFEE BREAK
16:30 - 17:30 MPIPKS Colloquium W. Belzig Super-Spintronics
18:00 - 19:30DINNER
19:30 - 21:00Poster session I
Tuesday, February 27
Session:Correlated materials I
09:00 - 09:25M. GrüningerMott-Hubbard exciton in YTiO3 probed by ellipsometry
09:25 - 10:00L. Pisani / M. Sing Unusual Spin-Peierls Physics in Oxyhalides (TiOCL, TiOBr)
10:00 - 10:30COFFEE BREAK
Session:Correlated materials I (cont'd)
10:30 - 11:05J. Hemberger / P. Lemmens Local distortions and bond frustration in Thiospinels
11:05 - 11:35A. TaraphderMagnetic Structures and Phase Diagram in Some Doped Magnetoresistive Systems
Session: Quantum transport
11:35 - 12:00H. Fehske Boson-controlled quantum transport
12:00 - 14:00LUNCH BREAK
Session: Method development
14:00 - 14:25M. Greiter Many-spinon states and the secret significance of Young tableaux
14:25 - 14:50A. Weisse The ground-state phase diagram of spin-Peierls chains -- DMRG versus unitary transformations
14:50 - 15:15J. Sirker Chain breaks and the susceptibility of Sr2Cu1-xPdxO3+δ and other doped quasi one-dimensional antiferromagnets
15:15 - 15:40COFFEE BREAK
Session: Method development (cont'd)
15:40 - 16:05M. Aichhorn A new controlled route to the competing phases in the ground state of the Hubbard model
16:05 - 16:30R. Gersch Fermionic functional renormalization group for first-order phase transitions: a mean-field model
16:30 - 16:55K. Held Dynamical vertex approximation - a step beyond dynamical mean field theory
Session: Nanostructures
16:55 - 17:20T. Kopp Grenzflächen und Heterostrukturen stark korrelierter Elektronensysteme
17:20 - 17:45A. Lichtenstein Electronic correlations in magnetic nanostructures
18:00 - 19:30DINNER
19:30 - 21:00Poster session II
Wednesday, February 28
Session: Quantum Impurities I
09:00 - 09:25S. AndergassenCorrelation effects on transport through quantum dots and wires
09:25 - 09:50A. ChudnovskySpin and orbital Kondo effect in double quantum dot
09:50 - 10:15A. Kolezhuk Nonmagnetic impurities in fractionalized spin liquids
10:15 - 10:45COFFEE BREAK
Session:Quantum Impurities II
10:45 - 11:10R. Bulla Kondo Effect in Low-Carrier Systems
11:10 - 11:35J. Kroha Two-Channel Kondo Physics: Strong vs. Weak Coupling Duality and an SU(3) Model for its Microscopic Realization
11:35 - 12:00 A. Weichselbaum Sum-rule Conserving Spectral Functions from the Numerical Renormalization Group
12:00 - 14:00LUNCH BREAK
Session: Spin Models
14:00 - 14:25S. TrebstOrder by disorder and spiral spin liquid in frustrated diamond lattice antiferromagnets
14:25 - 14:50W. Brenig Order from disorder in the 2D Kondo-necklace
14:50 - 15:25A. Honecker / B. Wolf Azurit
15:25 - 15:55COFFEE BREAK
Session: Correlated materials II
15:55 - 16:20M. Lang Lattice response at the Mott transition of quasi-2D organic conductors
16:20 - 16:45H. Jeschke Correlated electrons in metalorganic complexes: Searching for the mechanism of high spin low spin transitions
16:45 - 17:10T. LorenzThermodynamics of the coupled spin-dimer system TlCuCl3 close to a quantum phase transition
17:45 - 19:30BANQUET
19.30 - 21:00 Panel discussion Strongly correlated systems: Problems, progress, and perspectives
Fulde (Moderator) Claessen; Monien; Muramatsu; Schönhammer; Vollhardt
Thursday, March 01
Session: Quantum phase transitions and quantum criticality
09:00 - 09:25S. FlorensQuantum phase transitions in dissipative models
09:25 - 09:50S. KirchnerQuantum criticality in Ferromagnetic single-electron transistors
09:50 - 10:15W. Metzner Electrical resistivity near Pomeranchuk instability in two dimensions
10:15 - 10:50B. Binz / C. Pfleiderer MnSi at high pressure
10:50 - 11:20COFFEE BREAK
Session: Nonequilibrium dynamics
11:20 - 11:45S. KehreinKorrelierte Systeme im Nichtgleichgewicht
11:45 - 12:10 F. AndersExtension of the Numerical Renorm-alization Group to Non-Equilibrium: Real-time dynamics of Quantum Impurities coupled to Fermionic and Bosonic Baths
12:10 - 12:35G. Uhrig Keeping a qubit alive: optimized switching sequences
12:35 - 14:15LUNCH BREAK
Session: Correlated materials III
14:15 - 14:40 Y. Dedkov Spin-dependence of Ce 4f hybridization in magnetically ordered systems: a spin-resolved photoemission study of Ce/Fe(110)
14:40 - 15:05 G. Zwicknagl Spectral functions and magnetization dynamics of f-electron systems
15:05 - 15:30 T. WesterkampMultiple energy scales at the quantum critical point in YbRh2Si2
15:30 - 16:00COFFEE BREAK
Session: Electronic structure and magnetism
16:00 - 16:25K. Doll Ab initio calculations for magnetic systems with the CRYSTAL code
16:25 - 16:50 H. Rosner Cu(II) materials - from crystal chemistry to magnetic models
16:50 - 17:15 E. Arrigoni Correlation effects in half-metallic ferromagnets
17:15 - 17:40 J. Richter Low-temperature thermodynamics for the Hubbard model on a highly frustrated chain: Rigorous versus numerical results
18:00 - 19:30DINNER
Friday, March 02
Session: Orbital degrees of freedom
09:00 - 09:25G. Khaliullin Optical spectral weights and magnetic exchange interactions in Mott insulators with orbital degeneracy
09:25 - 09:50A. LiebschExact diagonalization dynamical mean field theory for realistic multi-band materials
09:50 - 10:15N. BlümerOrbital-selective Mott transitions
10:15 - 10:40S. Kumar Domain formation and orbital ordering transition in doped manganites
10:40 - 11:10COFFEE BREAK
Session: Frustrated systems
11:10 - 11:35F. PollmannStrongly correlated fermions on frustrated lattices
11:35 - 12:00A. LäuchliSpin nematic states on the triangular lattice: from the bilinear-biquadratic S=1 Model to the unconventional magnetism of NiGa2S4
12:00 - 12:25B. Normand High-dimensional fractionalisation and spinon deconfinement in pyrochlore AFM
12:25 - 12:35Concluding Remarks
12:35 - 14:00LUNCH BREAK

last update: January 12, 2007