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cond-mat.stat-mech2005
What is the temperature of a granular medium?
A. Baldassarri, A. Barrat, G. D'Anna +3
In this paper we discuss whether thermodynamical concepts and in particular the notion of temperature could be relevant for the dynamics of granular systems. We briefly review how…
cond-mat.stat-mech2003
Observing Brownian motion in vibration-fluidized granular matter
G. D'Anna, P. Mayor, A. Barrat +2
At the beginning of last century, Gerlach and Lehrer observed the rotational Brownian motion of a very fine wire immersed in an equilibrium environment, a gas. This simple experime…
cond-mat.stat-mech2002
Extreme events driven glassy behaviour in granular media
G. D'Anna, P. Mayor, G. Gremaud +2
Motivated by recent experiments on the approach to jamming of a weakly forced granular medium using an immersed torsion oscillator [Nature 413 (2001) 407], we propose a simple mode…