Theoretical Physics, Computer Simulations, Disordered and Glassy Systems, Spin Glasses, Waves in Random Media, Random Lasers

Unit Director

2004-13: ``Theory and phenomenology of structural glasses'' , course for PhD students, Faculty of Mathematical, Physical and Natural Science.2010-11: "Photonics in disorded systems", course for PhD students, Faculty of Mathematical, Physical and Natural Science.2007-08: mini course on ``Spin-glasses and complexity'', as part of the ``Complex Systems'' course, Master in Physics, Faculty of Mathematical, Physical and Natural Science.2006-07. Physics lectures for the Master… Show more 2004-13: ``Theory and phenomenology of structural glasses'' , course for PhD students, Faculty of Mathematical, Physical and Natural Science.2010-11: "Photonics in disorded systems", course for PhD students, Faculty of Mathematical, Physical and Natural Science.2007-08: mini course on ``Spin-glasses and complexity'', as part of the ``Complex Systems'' course, Master in Physics, Faculty of Mathematical, Physical and Natural Science.2006-07. Physics lectures for the Master course "Communication and information in Cardiology''. Department of Cardiovascular Science, 2nd Faculty of Medicine.2003-05, tutorials for the courses of "Numerical Analysis" (Dept. Mathematics) and "Computer Lab" (Dept. Physics), Faculty of Mathematical, Physical and Natural Science. Show less

Researcher, Assistent Professor

Disordered and complex systems

Project "Statistical mechanics of disordered granular laser systems: theory andexperiments", funded by a grant of the Italian Ministry of Education,University and Research (MIUR) under the Basic Research InvestigationFund (FIRB) 2008 program "Futuro in Ricerca". Grant code (CINECA):RBFR08M3P4.The goal of the project is studying and theoretically modeling the laser emission in a disordered material. Here, a shaken granular medium in its different regimes is adopted as a… Show more Project "Statistical mechanics of disordered granular laser systems: theory andexperiments", funded by a grant of the Italian Ministry of Education,University and Research (MIUR) under the Basic Research InvestigationFund (FIRB) 2008 program "Futuro in Ricerca". Grant code (CINECA):RBFR08M3P4.The goal of the project is studying and theoretically modeling the laser emission in a disordered material. Here, a shaken granular medium in its different regimes is adopted as a prototypical system. The project is highly interdisciplinary and commits different aspects of the science ofcomplex systems, namely, spin glass theory and granular physics, together with the most advanced results and techniques of photonics.Experiments are carried out by using high power laser sources pumping on active powders displaying various granular phases, from slow quasi-static to rapid and turbulent-like gaseous regimes; in addition femtosecond, pulses will be used to perturb the granular state and realize out-of-equilibrium fluctuation-response experiments.A spin-glass-like theory is developed to describe the disordered interaction of electromagnetic modes. Non-equilibrium statistical mechanics will be applied to granular fluids to provide a general description of the granular phase diagram.Experimental results will also be supported by massively parallel computational results.Our aim is providing a comprehensive assessment of the emission from "complex black body", i.e. cavities involving modes coupled by quenched random coefficients, by also reporting the first direct demonstration of a transition to a replica symmetry breaking phase and the first laser emission from granulars under shaking. The project will eventually be extremely relevant in the field of nano-structured photonic devices as it is aimed to unveil from first principles the role of disorder inultra-fast laser emission. Show less

Disordered and complex systems

Intermittent collaboration with Felix Ritort

Theoretical physics, Glassy systems