Giacomo Gradenigo Home page

CNR-ISC and Dipartimento di Fisica, Universita' Sapienza, Roma

Research interests

Glass transition in structural glasses, Fluctuations in granular systems, Non-equilibrium statistical mechanics.

Publications

ANOMALOUS DIFFUSION

Einstein relation in superdiffusive systems,
Gradenigo G., Sarracino A., Villamaina D. and Vulpiani A.,
J.Stat.Mech. (2012) L06001
(http://arxiv.org/abs/1205.6621=true)

On anomalous diffusion and the out of equilibrium response function in one-dimensional models,
Villamaina D., Sarracino A., Gradenigo G., Puglisi A. and Vulpiani A., J.Stat.Mech. (2011) L01002.
(http://iopscience.iop.org/1742-5468/2011/01/L01002?fromSearchPage=true)

GRANULAR FLUIDS

Entropy production in non-equilibrium fluctuating hydrodynamics,
Gradenigo G., Puglisi A., Sarracino A.,
J.Chem.Phys. 137, 014509 (2012)
(http://jcp.aip.org/resource/1/jcpsa6/v137/i1/p014509_s1=true)

Non-equilibrium fluctuations in a driven stochastic Lorentz gas,
G. Gradenigo, U. Marini Bettolo Marconi, A. Puglisi, A. Sarracino.
Phys.Rev.E 85, 031112 (2012)
(http://pre.aps.org/abstract/PRE/v85/i3/e031112=true)

Out-of-equilibrium generalized fluctuation-dissipation relations,
Gradenigo G., Puglisi A., Sarracino A., Villamaina D. and Vulpiani A.,
Chapter in the book: R.Klages, W.Just, C.Jarzynski (Eds.), Nonequilibrium Statistical Physics of Small Systems: Fluctuation Relations and Beyond
(Wiley-VCH, Weinheim, 2012; ISBN 978-3-527-41094-1)
(http://www.maths.qmul.ac.uk/~klages/smallsys/smallsys_rk.html=true)

Structure factors in granular experiments with homogeneous fluidization,
A. Puglisi, A. Gnoli, G. Gradenigo, A. Sarracino, D. Villamaina,
J.Chem.Phys. 136, 014704 (2012)
(http://jcp.aip.org/resource/1/jcpsa6/v136/i1/p014704_s1=true)

Fluctuating hydrodynamics and correlation lengths in a driven granular fluid,
Gradenigo G., Sarracino A., Villamaina D. and Puglisi A., J.Stat.Mech. (2011) P08017
(http://iopscience.iop.org/1742-5468/2011/08/P08017?fromSearchPage=true)

Growing non-equilibrium length in granular fluids: from experiment to fluctuating hydrodynamics,
Gradenigo G., Sarracino A., Villamaina D. and Puglisi A., EPL 96 14004 (2011)
(http://iopscience.iop.org/0295-5075/96/1/14004?fromSearchPage=true)

Irreversible dynamics of a massive intruder in dense granular fluids,
Sarracino A., Villamaina D., Gradenigo G. and Puglisi A., EPL 92, 34001 (2010).
(http://iopscience.iop.org/0295-5075/92/3/34001?fromSearchPage=true)

STRUCTURAL GLASSES

The ratchet effect in an ageing glass,
Gradenigo G., Sarracino A., Villamaina D., Grigera T. S. and Puglisi A., J.Stat.Mech. (2010) L12002.
(http://iopscience.iop.org/1742-5468/2010/12/L12002?fromSearchPage=true)

Phase-Separation Perspective on Dynamic Heterogeneities in Glass-Forming Liquids,
Cammarota C., Cavagna A., Giardina I., Gradenigo G., Grigera T.S., Parisi G. and Verrocchio P., PRL, 105, 055703 (2010).
(http://prl.aps.org/abstract/PRL/v105/i5/e055703)

Evidence for a spinodal limit of amorphous excitations in glassy systems,
Cammarota C., Cavagna A., Gradenigo G., Grigera T.S. and Verrocchio P., J.Stat.Mech. (2009) L12002.
(http://iopscience.iop.org/1742-5468/2009/12/L12002?fromSearchPage=true)

Numerical determination of the exponents controlling the relationship between time, length, and temperature in glass-forming liquids,
Cammarota C., Cavagna A., Gradenigo G., Grigera T.S. and Verrocchio P., J.Chem.Phys. 131, 194901 (2009).
(http://jcp.aip.org/resource/1/jcpsa6/v131/i19/p194901_s1)

DYNAMICAL SYSTEMS

A study of the Fermi-Pasta-Ulam problem in dimension two,
Benettin G. and Gradenigo G., Chaos, 18, 013112 (Mar 2008).
(http://chaos.aip.org/resource/1/chaoeh/v18/i1/p013112_s1)