230 citations · 1.2k across the 35 of their papers we have counts for
6 papers · 1 filter
Generalized Gibbs ensembles for time dependent processes
Philippe Chomaz, Francesca Gulminelli, Olivier Juillet
An information theory description of finite systems explicitly evolving in time is presented for classical as well as quantum mechanics. We impose a variational principle on the Sh…
Correlations in mesoscopic magnetic systems
F. Gulminelli, Ph. Chomaz
The purpose of this proposal is to study the ferro/para phase transition in a mesoscopic Ising-like lattice and in particular demonstrate the existence of a negative magnetic susce…
Phase Transition in Small System
Ph. Chomaz, F. Gulminelli
Everybody knows that when a liquid is heated, its temperature increases until the moment when it starts to boil. The increase in temperature then stops, all heat being used to tran…
Exact pairing correlations in one-dimensional trapped fermions with stochastic mean-field wave-functions
Olivier Juillet, Francesca Gulminelli, Philippe Chomaz
The canonical thermodynamic properties of a one-dimensional system of interacting spin-1/2 fermions with an attractive zero-range pseudo-potential are investigated within an exact…
First order phase transitions: equivalence between bimodalities and the Yang-Lee theorem
Ph. Chomaz, F. Gulminelli
First order phase transitions in finite systems can be defined through the bimodality of the distribution of the order parameter. This definition is equivalent to the one based on…
Topology of event distribution as a generalized definition of phase transitions in finite systems
Ph. Chomaz, F. Gulminelli, V. Duflot
We propose a definition of phase transitions in finite systems based on topology anomalies of the event distribution in the space of observations. This generalizes all the definiti…