Publication : t09/229
Anomalous non-linear response of glassy liquids: general arguments and a Mode-Coupling approach
Tarzia M. (CEA, IPhT (Institut de Physique Théorique), F-91191 Gif-sur-Yvette, France)Biroli G. (CEA, IPhT (Institut de Physique Théorique), F-91191 Gif-sur-Yvette, France)
Bouchaud J.-P. (CEA, IRAMIS, SPEC (Service de Physique de lEtat Condensé), F-91191 Gif-sur-Yvette, FRANCE)
Lefèvre A. (CEA, IPhT (Institut de Physique Théorique), F-91191 Gif-sur-Yvette, France)
Abstract:Année de publication : 2010
We study theoretically the non-linear response properties of glass formers. We establish several general results which, together with the assumption of Time-Temperature Superposition, lead to a relation between the non-linear response and the derivative of the linear response with respect to temperature. Using results from Mode-Coupling Theory (MCT) and scaling arguments valid close to the glass transition, we obtain the frequency and temperature dependence of the non-linear response in the alpha and beta-regimes. These results are extended to the case of inhomogeneous perturbing fields and confirmed by an exact analysis of the non-linear response of the spherical p-spin model.
Revue : J. Chem. Phys. 132 054501 (2010)
DOI : 10.1063/1.3290986
Preprint : arXiv:0812.3514
Lien : http://link.aip.org/link/JCPSA6/v132/i5/p054501/s1
Langue : Anglais
Fichier(s) à télécharger :
publi.pdf JChemPhys_132_054501.pdf
