Heterogeneities and local fluctuations in glassy systems

Leticia F. Cugliandolo

doi:10.1117/12.492936

9 May 2003 Heterogeneities and local fluctuations in glassy systems

Leticia F. Cugliandolo

Proceedings Volume 5112, Noise as a Tool for Studying Materials; (2003) https://doi.org/10.1117/12.492936
Event: SPIE's First International Symposium on Fluctuations and Noise, 2003, Santa Fe, New Mexico, United States

Abstract

The aim of this report is to review a theoretical approach that has been proposed recently to describe dynamic fluctuations in glassy systems (work in collaboration with H.E. Castillo, C. Chamon, J. L. Iguain, M. Kennett and M. Sellitto). Firstly, I summarize some of the main features of the averaged and global non-equilibrium relaxation of glassy systems, weakly sheared viscous liquids and weakly tapped granular matter, and how these results have been successfully reproduced with a mean-field-like analytic approach. Secondly, I explain the outcome of more refined experimental and numerical measurements that point at examining the dynamics at a mesoscopic scale, and the role of noise measurements in this respect. Finally, I discuss how our theoretical approach can be confronted to new experimental and numerical tests.

Citation Download Citation

Leticia F. Cugliandolo "Heterogeneities and local fluctuations in glassy systems", Proc. SPIE 5112, Noise as a Tool for Studying Materials, (9 May 2003); https://doi.org/10.1117/12.492936

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