= Leticia Cugliandolo
{c}
{tag=Physicist}
{wiki}
= Leticia Fernanda Cugliandolo
{c}
{synonym}
= Leticia F. Cugliandolo
{c}
{synonym}
= L. F. Cugliandolo
{c}
{synonym}
<Leticia Cugliandolo> studies the slow nonequilibrium dynamics of <spin glass> systems and other complex systems. Her theoretical treatment distinguishes equilibrium relaxation from <aging in nonequilibrium systems>, where a response depends on how long the system has already been evolving. Two-time <correlation functions> and responses can violate an equilibrium <fluctuation-dissipation theorem>, leading to carefully defined effective-temperature descriptions in suitable regimes. Solvable mean-field models connect this dynamics with a complicated free-energy landscape, supplying tests of which features extend beyond a particular material.<Dynamics of glassy systems by Leticia Fernanda Cugliandolo>[2002 lecture notes, introduction, aging and fluctuation-dissipation analysis]{ref}
A <physicist> researching <spin glasses> and <statistical physics> at Sorbonne University.<Professional profile of Leticia Fernanda Cugliandolo (nasonline.org)>[Biosketch and Research Interests: Sorbonne physics professorship and nonequilibrium research]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Photo-Leticia.png?width=260]
{title=Portrait of <Leticia Cugliandolo>}
{description=Leticiacugliandolo. https://creativecommons.org/licenses/by-sa/4.0/[CC BY-SA 4.0], via Wikimedia Commons.}
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