Giacomo Gradenigo Home page

Laboratoire Interdisciplinaire de Physique (LIPhy), Grenoble, FRANCE

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)

Dynamics of a massive intruder in a homogeneously driven granular fluid
A. Puglisi, A. Sarracino, G. Gradenigo, D. Villamaina
Comments: 6 pages, 2 figures, to be published on "Granular Matter" in a special issue in honor of the memory of Prof. Isaac Goldhirsch

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)