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INSTITUTE FOR THEORETICAL PHYSICS

Jamming and Rheology: Constrained Dynamics on Microscopic and Macroscopic Scales

October 12-16, 1997

Coordinators: S. Edwards, A. J. Liu, S. Nagel and M. Robbins

Schedule

All sessions in ITP Main Seminar Room, Kohn Hall, unless otherwise indicated.


Transparencies from talks at this conference are presented below --- just click on the links. ITP intends to keep this conference posted on the Web indefinitely.

You can also hear audio recordings from some of the principal talks, if your computer is suitably equipped. Look for talks marked [Audio].

ITP is grateful to the Coordinators and the ITP staff who made this conference a success.


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Sunday, October 12, 1997

Time Speaker Title
1:00 pm Registration ITP Lobby
1:45 David Gross, ITP Director Welcome to the ITP
Chair: Matthew Fisher
2:00 Sidney Nagel Experimental Remarks[Audio]
2:30 Sam Edwards Theoretical Remarks[Audio]
3:15 Refreshment Break ITP Front Patio
Glasses I Chair: Gary Grest
3:45 Gilles Tarjus Glasses: OVERVIEW[Audio]
4:25 Mark Ediger Evidence for spatially heterogeneous dynamics in supercooled liquids.
4:55 Herman Cummins Dynamics of Liquids and the Glass Transition: Recent Comparisons with the Mode Coupling Theory
5:25 Robert Leheny Dielectric Susceptibility Studies of Deeply Supercooled Liquids
5:55 Daniel Kivelson Frustration-Limited Domains: a Theory of Supercooled Liquids
6:30 Buffet Dinner ITP FrontPatio

Monday, October 13, 1997

Time Speaker Title
Powders I Chair: Elie Raphael
9:00 am Susan Coppersmith Powders: OVERVIEW[Audio]
9:40 Joachim Wittmer Stress Propagation and Arching in Static Sandpiles
10:10 George Cody Particle Fluctuation Velocity, or Granular Temperature, in Gas Fluidized Beds - Scaling with Gas Flow and Particle Diameter, and Correlation with Accepted (Jackson/Wallis) Models of Initial Stability of Fluidized State, and Empirical (Geldart) Classification of Fluidization Phenomena
10:40 Refreshment Break ITP Front Patio
11:10 Naryanan Menon Dynamics in Driven Granular Media
11:40 Irwin Oppenheim Molecular Description of Granular Flow
12:10 pm Lunch ITP Center Patio
Foams I Chair: Gary Leal
2:00 Andrea Liu Foams: OVERVIEW[Audio]
2:40 Francois Lequeux Behavior of Concentrated Emulsions under Strain
3:10 David Weitz Rheology of Compressed Emulsions
3:40 Refreshment Break ITP Front Patio
4:10 Dov Levine Some Geometrical Aspects of Emulsion Rheology
4:40 Andrew Kraynik Microrheology of Ordered and Random Foams
5:10 POSTER SESSION (Light Refereshments)

Tuesday, October 14, 1997

Time Speaker Title
Unsteady
Rheology
Chair: Glenn Fredrickson
9:00 am Mark Robbins Unsteady Rheology: OVERVIEW[Audio]
9:40 Arlette Baljon Simulations of Stick-to-Slip Transition and Memory in Confined Fluids
10:10 Jean Carlson Friction at Lubricated Interfaces
10:40 Refreshment Break ITP Front Patio
11:10 Jerry Gollub Frictional Dynamics of Sheared Granular Materials
11:40 Doug Durian Bubble Dynamics in Flowing Foams
12:30 pm Patio Barbeque ITP Front Patio
Afternoon Free

Wednesday, October 15, 1997

Time Speaker Title
Aging Chair: Daniel Fisher
9:00 Jorge Kurchan Aging: OVERVIEW[Audio]
9:40 J.-P. Bouchaud Large Length Scales Energy Landscape for Pinned Objects and Aging
10:10 J.-L. Barrat Aging Dynamics and Fluctuation-Dissipation Ratio in a Lennard-Jones
Glass
10:40 Refreshment Break ITP Front Patio
Foams II Chair: Martin Gelfand
11:10 Peter Sollich Rheology of Soft Glassy Materials
11:40 Stephen Langer "Temperature" of Flowing Foam
12:10 pm Michael Dennin Shearing 2D Foams: an Experimental Study
12:40 pm Lunch ITP Front Patio
Glasses II Chair: Shivaji Sondhi
2:30 Bulbul Chakraborty Glassy Relaxations in a Frustrated Spin Model
3.00 Akira Onuki Nonlinear Rheology in a Highly Supercooled Liquid
3:30 Sharon Glotzer Dynamic Heterogeneities and Cooperative Motion in Simulations of Glass-forming Liquids
4:00 Refreshment Break ITP Front Patio
4:30 Sergei Obukhov Topologically Induced Glass Transition in Freely Rotating Rods
5:00 William Klein The Role of Structures in Structural Glasses
5:30 Robin Stinchcombe Nonequilibrium Granular and Glassy Models
6:00 POSTER SESSION (Light Refreshments)

Thursday, October16, 1997

Time Speaker Title
Powders II Chair: David Pine
9:00 am Joe Goddard Reynolds Dilatancy as Macro-constraint
9:30 Ed Nowak Relaxation, Reversibility, and Fluctuations in the Density of Vibrated Granular Material
10:00 Anita Mehta Dynamics of Shaken Granular Materials
10:30 Refreshment Break ITP Front Patio
11:00 Dan Howell Fluctuations in Sheared Granular Materials
11:30 Antonio Coniglio Frustrated Models for Glasses and Granular Compaction
12:00 Lunch ITP Front Patio
Wrap-up Session Chair: James Langer
2:00 Shlomo Alexander Summary[Audio]
2:40 T.V. Ramakrishnan Summary[Audio]
3:20 Thomas Witten Summary[Audio]
4:00 Conference Ends

last modified 10/10/97 ds