activity
20002003
most citedFragility of the Free-Energy Landscape of a Directed Polymer in Random Media

39 citations · 103 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.dis-nn2003★ 6 cited

Order-parameter fluctuations in Ising spin glasses at low temperatures

Matteo Palassini, Marta Sales, Felix Ritort

We present a numerical study of the order-parameter fluctuations for Ising spin glasses in three and four dimensions at very low temperatures and without an external field. Accurat…

cond-mat.dis-nn2002★ 7 cited

Temperature shifts in the Sinai model: static and dynamical effects

Marta Sales, Jean-Philippe Bouchaud, Felix Ritort

We study analytically and numerically the role of temperature shifts in the simplest model where the energy landscape is explicitely hierarchical, namely the Sinai model. This mode…

cond-mat.dis-nn2002★ 39 cited

Fragility of the Free-Energy Landscape of a Directed Polymer in Random Media

Marta Sales, Hajime Yoshino

We examine the sensitiveness of the free-energy landscape of a directed polymer in random media with respect to various kinds of infinitesimally weak perturbation including the int…

cond-mat.dis-nn2001★ 1 cited

Fragility of the glassy state of a directed polymer in random media: a replica approach

Marta Sales, Hajime Yoshino

We study the stability of the glassy equilibrium state of a directed polymer in random media against weak perturbations including the intriguing problem of temperature-chaos. The s…

cond-mat.dis-nn2001★ 1 cited

Random energy levels and low-temperature expansions for spin glasses

M. Picco, F. Ritort, M. Sales

In a previous paper (cond-mat/0106554) we showed the existence of two new zero-temperature exponents (λand θ') in two dimensional Gaussian spin glasses. Here we introduce a novel l…

cond-mat.dis-nn2001★ 10 cited

Statistics of lowest excitations in two dimensional Gaussian spin glasses

M. Picco, F. Ritort, M. Sales

A detailed investigation of lowest excitations in two-dimensional Gaussian spin glasses is presented. We show the existence of a new zero-temperature exponent lambda describing the…