Lorentz Center - Non-Fermi Liquid Behavior and Quantum Phase Transitions
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    Non-Fermi Liquid Behavior and Quantum Phase Transitions

 
PRELIMINARY PROGRAM

PROGRAM

 

* Each talk: 25 mins (strictly enforced) + 10 min questions/answers

* Each session contains an additional discussion period

 

Monday 5/12

 

9:00 – 9:30 Registration

 

9:30 Session 1:

Magnetism and superconductivity

Chair: Q. Si

 

  *  9:30 -  9:40         welcome

  *  9:40 - 10:15        M. B. Maple

  * 10:15 - 10:50       J. Sarrao

  * 10:50 - 11:20       Coffee break

  * 11:20 - 12:30       Discussion

 

  * 12:30 – 13:30       Lunch

 

Afternoon: Registration

  * 15:10 - 15:40       Coffee / tea

  * 17:00 - 18:30       Reception

                                 Wine and Cheese

 

Tuesday 5/13

 

*  10:15 – 12:00        Participants of the workshop may be interested in attending the lecture “Singularities in hydrodynamic systems”of prof L.P. Kadanoff who is visiting Leiden as “Lorentz Professor”.

De Sitterzaal

groundfloor

 

14:00 Session 2:

Quantum critical heavy fermions in a broader context

Chair: P. Coleman

 

  * 14:00 - 14:35       H. v. Loehneysen - Overview of QC heavy fermions

  * 14:35 - 15:10       C. M. Varma - QC heavy fermions vs other correlated electron systems

  * 15:10 - 15:40       coffee break

  * 15:40 - 17:00       discussion

 

 

Wednesday 5/14

 

9:30 Session 3:

Non-Gaussian QC metals

Chair: A. Chubukov

 

  *  9:30 - 10:05        P. Coleman

  * 10:05 - 10:40       Q. Si

  * 10:40 - 11:10       coffee break

  * 11:10 - 12:30       Discussion

 

14:00 Session 4:

Change of Fermi surface across QCPs

Chair: H. v. Loehneysen

 

  * 14:00 - 14:35       S. Paschen - Hall measurement in YbRh2Si2

  * 14:35 - 15:10       J. Flouquet

  * 15:10 - 15:40       coffee break

  * 15:40 - 16:15       M. Norman -V-doped Cr

  * 16:15 - 17:00       Discussion - Size of Fermi surface

 

Thursday 5/15

 

9:30 Session 5:

Field-driven QCPs

Chair: A. de Visser

 

  *  9:30 - 10:05        G. Stewart - Heavy fermions

  * 10:05 - 10:40       A. Schofield - Ruthenates

  * 10:40 - 11:10       coffee break

  * 11:10 - 12:30       Discussion

                                 QCPs reached along different axes (pressure,doping, field etc.); what systematic measurements are needed to characterize QCPs

 

14:00 Session 6:

When and why does E/T scaling occur?

Chair: M. B. Maple

 

  * 14:00 - 14:35       A. Schroeder - CeCu6-xAux

  * 14:35 - 15:10       M. Aronson

  * 15:10 - 15:40       coffee break

  * 15:40 - 16:15       R. Osborn

  * 16:15 - 17:00       Discussion

 

 

Friday 5/16

 

9:30 Session 7:

Is HTS quantum critical?

Chair: M. Norman

 

  *  9:30 - 10:05        D. van der Marel

  * 10:05 - 10:40       J. Zaanen

  * 10:40 - 11:10       coffee break

  * 11:10 - 11:45       A. Chubukov

  * 11:45 - 12:30       Discussion

 

14:00 Session 8:

How do we know that disorder is (un)important?

Chair: J. Sarrao

 

  * 14:00 - 14:35       D. MacLaughlin

  * 14:35 - 15:10       S. Nakatsuji

  * 15:10 - 15:40       coffee break

  * 15:40 - 16:30       Discussion

                                 + summary of major issues raised this week

  * 16:30                    Reception

                                 Wine and Cheese

 

Monday 5/19

 

9:30 Session 9:

QCPs in zero field

Chair: G. Stewart

 

  *  9:30 - 10:05        P. Gegenwart - YbRh2Si2

  * 10:05 - 10:40       J. D. Thompson -  Is 115 quantum critical?

  * 10:40 - 11:10       coffee break

  * 11:10 - 11:45       A. de Visser

  * 11:45 - 12:30       Discussion

 

14:00 Session 10:

Ferromagnetic quantum phase transitions

Chair: A. Georges

 

  * 14:00 - 14:35       C. Pfleiderer - Neutron scattering in MnSi

  * 14:35 - 15:10       D. Belitz - Order of the ferromagnetic transition

  * 15:10 - 15:40       coffee break

  * 15:40 - 17:00       Discussion

 

Tuesday 5/20

 

9:30 Session 11:

QC scaling and dynamics

Chair: J. Zaanen

 

  * 9:30 - 10:05         N. Curro - NMR

  * 10:05 - 10:40       N. Bernhoeft

  * 10:40 - 11:10       coffee break

  * 11:10 - 11:45       R. Kuechler - Gruneisen ratio

  * 11:45 - 12:30       Discussion

 

14:00 Session 12:

QC/nFL in geometrically frustrated systems

Chair: K. Ingersent

 

  * 14:00 - 14:35       A. Georges

  * 14:35 - 15:10       A. Tsvelik

  * 15:10 - 15:40       coffee break

  * 15:40 - 17:00       Discussion

 

Wednesday 5/21

 

14:00 Session 13:

Lessons from quantum impurity and other models

Chair: A. Tsvelik

 

  * 14:00 - 14:35       K. Ingersent

  * 14:35 - 15:10       M. Lavagna

  * 15:10 - 15:40       coffee break

  * 15:40 - 16:15       S. Sachdev

  * 16:15 - 17:00       Discussion

 

Thursday 5/22

 

9:30 Session 14:

Evidence and importance of reduced dimensionality

Chair: J. Thompson

 

  *  9:30 - 10:05        A. Rosch

  * 10:05 - 10:40       C. Pepin

  * 10:40 - 11:10       coffee break

  * 11:10 - 12:30       Discussion

 

14:00 Session 15:

Quantum critical physics in a broader context

Chair: C. M. Varma

 

  * 14:00 - 14:35       J. Mydosh

  * 14:35 - 15:10       G. Aeppli

  * 15:10 - 15:40       coffee break

  * 15:40 - 17:00       Discussion

                                 + summary of major issues raised this week

Friday 5/23

 

9:30 Session 16:

Informal Discussions

 

  * Issues arising

 



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