Thursday, June 28, 2012

1206.6330 (Michele Campisi et al.)

Negative specific heat and the origin of power-laws    [PDF]

Michele Campisi, Fei Zhan, Peter Hänggi
A particle in the attractive Coulomb field has an interesting property: its specific heat is constant and negative. We show, both analytically and numerically, that when a classical Hamiltonian system stays in weak contact with one such negative specific heat object, its statistics conforms to a fat-tailed power-law distribution with power index given by $C/k_B-1$, where $k_B$ is Boltzmann constant and $C$ is the heat capacity.
View original: http://arxiv.org/abs/1206.6330

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