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Content archived on 2024-05-21

Slow relaxation and nonequilibrium dynamics in condensed matter

Objective

Slow relaxations, in the sense that the evolution time of the system becomes of macroscopic magnitude, are a common feature of many condensed matter systems. the best known examples being probably glasses, spin glasses and phase-separation systems. Systems with such slow relaxations are very often out of equilibrium, since a laboratory experiment generally takes place on time scales smaller than their relaxation time. This makes them very challenging systems to study, as usual statistical mechanic tools are insufficient. Since about 1990, a large number of advances have been made in our understanding of glasses and spin glasses.

A number of new theoretical tools have been developed (dynamical mean field theories of spin glasses and structural glasses, models of spin glasses without disorder, replica approach to structural glasses), that begin to provide a unified view of systems that were originally thought to be intrinsically different. These new theoretical methods, together with more traditional approaches (trap models for the dynamics of disordered systems, the mode coupling theory of the glass transition, dynamics of randomly pinned systems) form a complex background, often difficult to grasp for a student or young researcher entering the field of dynamics of non-equilibrium systems. Moreover, the concepts mentioned above, although originally introduced in order to study glasses and spin glasses, are fInding an increasingly wide field of applicability. It is now commonly believed that they could be relevant for the description of systems as diverse as powders, foams, driven complex fluids. A recently organized workshop in Santa Barbara (Jamming and Rheology - Constrained dynamics on microscopic and macroscopic time scales, Fall 1997.} showed that a community in this field is indeed emerging. Other interesting potential applications involve the dynamics of biolocally relevant systems, e.g. the celebrated "protein folding" problem.
ftp://ftp.cordis.lu/pub/improving/docs/HPCF-2001-00075-1.pdf(opens in new window)

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ACM - Preparatory, accompanying and support measures

Coordinator

Type of Event: Euro Summer School
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Address
This event takes place in Les Houches

France

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