_________PEYRESQ___WORKSHOP________

Effective Models for Low - Dimensional
Strongly Correlated Systems

Monday 12

15:00 – 16:00 : ”Computing Effective Hamiltonians of Doped and Frustrated Antiferromagnets by CORE.” – Assa AUERBACH (Haïfa)
16:00 – 17:00 : ”Numerical Contractor Renormalization applied to strongly correlated systems” – Sylvain CAPPONI (Toulouse)
BREAK
17:30 – 18:30 : ”Analytical effective theories for exotic magnets” – Roderich MÖSSNER (ENS-Paris)
18:30 – 19:00 : ”Phase separation in the two-dimensional Bose-Hubbard model with ring exchange” – Valery ROUSSEAU (UC Davis)

Tuesday 13

8:45 – 9:45 : ”Effective Models of Frustrated Quantum Magnets” – Frédéric MILA (EPFL)
9:45 – 10:45 : ”Spinon and Holon Spectra in One-Dimensional Mott Insulators” – Sadamichi MAEKAWA (Sendai)
BREAK
11:15 – 12:15 : ”Insight from Path Integral Renormalization Group Method” – Masatoshi IMADA (ISSP-Tokyo)

14:45 – 15:45 : ”The Luttinger Sum Rule in Doped Spin Liquids” – T. Maurice RICE (ETH-Zürich)
15:45 – 16:45 : ”Spin fluctuations in cuprates as the key to high Tc” – Peter PRELOVSEK (Ljubljana)
BREAK
17:15 – 18:15 : ”Global phase diagram of the high Tc cuprates” – Shou-Cheng ZHANG (Stanford)
18:15 – 19:15 : ”Unconventional superconductivity in non-centrosymmetric materials” – Manfred SIGRIST (ETH-Zürich)

Wednesday 14

8:45 – 9:45 : ”Phase diagram of the half-filled two-dimensional SU(N) Hubbard-Heisenberg model” – Fakher ASSAAD (Würzburg)
9:45 – 10:45 : ”d-wave RVB states of fermionic atoms in optical lattices” – Matthias TROYER (ETH-Zürich)
BREAK
11:15 – 12:15 : ”Phase competition in transition metal oxides” – Adriana MOREO (Oak Ridge)

Thursday 15

8:45 – 12:15 : Variational and other approaches (Chairman: Manfred SIGRIST)

8:45 – 9:45 : ”Kosterlitz-Thouless critical behavior close to a two dimensional metal-insulator transition” – Sandro SORELLA (Trieste)
9:45 – 10:15 : ”Supersolid bosons on the triangular lattice” – Stefan WESSEL (Stuttgart)
BREAK
10:45 – 11:45 : ”Quantum-cluster theories from a variational perspective” – Michael POTTHOFF (Würzburg)
11:45 –12:15 : ”Spiral Spin Density Waves and Transport Anisotropies in Underdoped Cuprate Superconductors” – Valeri KOTOV (EPFL)

12:30 : LUNCH

15:00 – 19:00 : Progress in DMRG computations (Chairman: Alejandro MURAMATSU)

15:00 – 16:00 : ”Recent developments in DMRG” – Steve WHITE (Irvine)
16:00 – 17:00 : ”Recent Developments in the DMRG applied to Quantum Chemstry and to Linear-Response Dynamics” – Reinhard NOACK (Marburg)
BREAK
17:30 – 18:30 : ”Applications of time-dependent DMRG” – Ulrich SCHOLLWÖCK (Aachen)
18:30 – 19:00 : ”Strongly Correlated Quantum Systems out of Equilibrium: Collapse and Revival Starting From a Luttinger Liquid” – Salvatore MANMANA (Stuttgart and Marburg)

19:30: DINNER

Friday 16

9:00 – 12:00 : Bosonic models (Chairman: Shou-Cheng ZHANG)

9:00 – 10:00 : ”Dynamics in the Boson Hubbard Model” – Richard SCALETTAR (UC Davis)
10:00 –10:30 : ”Monte Carlo study of a dynamic Hubbard model” – Frédéric HEBERT (INLN)
BREAK
11:00 – 12:00 : ”Bose-Einstein Condensation with Path integrals” –Werner KRAUTH (ENS-Paris)

12:30 : LUNCH

14:00 – 17:30 : Cyclic exchange / Cold atoms (Chairman: Frédéric MILA)

14:00 – 15:00 : ”Ring Exchanges and Supersolidity in solid 4He” – David CEPERLEY (Illinois)
15:00 –16:00 : ”Superfluid to valence-bond-solid transition in a 2D hard-core boson model with 4-site interactions ” – Anders SANDVIK (Boston)
BREAK
16:30 –17:30 : ”Numerically exact simulations for ultra-cold atoms in and out of equilibrium ” – Alejandro MURAMATSU (Stuttgart)

19:30: DINNER

Saturday 17

Proceedings will be published by AIP.