International School for Advanced Studies
Italy
His main research concerns Statistical physics, Hamiltonian, Classical mechanics, Equipartition theorem and Quantum mechanics. His work carried out in the field of Statistical physics brings together such families of science as Canonical ensemble, Microcanonical ensemble and Vlasov equation. His study in Microcanonical ensemble is interdisciplinary in nature, drawing from both Range, Ising model, Ergodicity, Partition function and Specific heat.
His Hamiltonian research is multidisciplinary, incorporating perspectives in Exponential function, Mean field theory, Power law and Electronic band structure. His work in Classical mechanics addresses issues such as Phase transition, which are connected to fields such as Non-equilibrium thermodynamics, Order, Instability and Solid-state physics. The concepts of his Equipartition theorem study are interwoven with issues in Chaotic, Fermi–Pasta–Ulam problem, Nonlinear system and Hamiltonian system.
Stefano Ruffo mainly focuses on Statistical physics, Hamiltonian, Quantum mechanics, Mean field theory and Phase transition. His work carried out in the field of Statistical physics brings together such families of science as Canonical ensemble, Microcanonical ensemble and Classical mechanics. Within one scientific family, Stefano Ruffo focuses on topics pertaining to Vlasov equation under Hamiltonian, and may sometimes address concerns connected to Distribution function.
His work in Quantum mechanics covers topics such as Lattice which are related to areas like Fourier transform, Instability, Anharmonicity and Wavenumber. He usually deals with Mean field theory and limits it to topics linked to Lyapunov exponent and Lyapunov function, Random matrix and Mathematical analysis. He studied Phase transition and Stationary state that intersect with Conserved quantity.
His scientific interests lie mostly in Statistical physics, Canonical ensemble, Phase transition, Phase diagram and Mathematical physics. His work on Thermodynamic limit as part of general Statistical physics study is frequently linked to Kuramoto model, therefore connecting diverse disciplines of science. Microcanonical ensemble is the focus of his Canonical ensemble research.
His research on Phase diagram also deals with topics like
His primary areas of investigation include Statistical physics, Classical mechanics, Range, Phase diagram and Condensed matter physics. His research integrates issues of Non-equilibrium thermodynamics, Quantum, Canonical ensemble, Microcanonical ensemble and Stationary state in his study of Statistical physics. His Microcanonical ensemble research incorporates elements of Statistical ensemble, Grand canonical ensemble and Tricritical point.
As part of one scientific family, he deals mainly with the area of Stationary state, narrowing it down to issues related to the Statistical mechanics, and often Thermodynamic equilibrium and Flow. The Classical mechanics study combines topics in areas such as Phase transition, Phase, Hamiltonian and Thermodynamic limit. Stefano Ruffo combines subjects such as Quantum electrodynamics, Excitation amplitude and Breather with his study of Condensed matter physics.
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Statistical mechanics and dynamics of solvable models with long-range interactions
Alessandro Campa;Thierry Dauxois;Stefano Ruffo.
Physics Reports (2009)
Clustering and relaxation in Hamiltonian long-range dynamics
Mickael Antoni;Stefano Ruffo.
Physical Review E (1995)
Dynamics and Thermodynamics of Systems with Long-Range Interactions: An Introduction
Thierry Dauxois;Stefano Ruffo;Ennio Arimondo;Martin Wilkens.
Dynamics and Thermodynamics of Systems with Long-Range Interactions (2002)
Inequivalence of Ensembles in a System with Long-Range Interactions
Julien Barré;Julien Barré;David Mukamel;Stefano Ruffo.
Physical Review Letters (2001)
Stability criteria of the Vlasov equation and quasi-stationary states of the HMF model
Yoshiyuki Y. Yamaguchi;Yoshiyuki Y. Yamaguchi;Julien Barré;Freddy Bouchet;Freddy Bouchet;Freddy Bouchet;Thierry Dauxois.
Physica A-statistical Mechanics and Its Applications (2004)
Physics of Long-Range Interacting Systems
Alessandro Campa;Thierry Dauxois;Duccio Fanelli;Stefano Ruffo.
(2014)
Equipartition threshold in nonlinear large Hamiltonian systems: The Fermi-Pasta-Ulam model
Roberto Livi;Marco Pettini;Stefano Ruffo;Massimo Sparpaglione.
Physical Review A (1985)
Localization and equipartition of energy in the b-FPU chain: chaotic breathers
Thierry Cretegny;Thierry Cretegny;Thierry Dauxois;Thierry Dauxois;Stefano Ruffo;Alessandro Torcini.
Physica D: Nonlinear Phenomena (1998)
Lyapunov Instability and Finite Size Effects in a System with Long-Range Forces
Vito Latora;Andrea Rapisarda;Stefano Ruffo.
Physical Review Letters (1998)
SUPERDIFFUSION AND OUT-OF-EQUILIBRIUM CHAOTIC DYNAMICS WITH MANY DEGREES OF FREEDOMS
Vito Latora;Vito Latora;Andrea Rapisarda;Stefano Ruffo.
Physical Review Letters (1999)
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