title: Random-diluted triangular plaquette model: Study of phase transitions in a kinetically constrained model.
abstract: We study how the thermodynamic properties of the triangular plaquette model (TPM) are influenced by the addition of extra interactions. The thermodynamics of the original TPM is trivial, while its dynamics is glassy, as usual in kinetically constrained models. As soon as we generalize the model to include additional interactions, a thermodynamic phase transition appears in the system. The additional interactions we consider are either short ranged, forming a regular lattice in the plane, or long ranged of the small-world kind. In the case of long-range interactions we call the new model the random-diluted TPM. We provide arguments that the model so modified should undergo a thermodynamic phase transition, and that in the long-range case this is a glass transition of the "random first-order" kind. Finally, we give support to our conjectures studying the finite-temperature phase diagram of the random-diluted TPM in the Bethe approximation. This corresponds to the exact calculation on the random regular graph, where free energy and configurational entropy can be computed by means of the cavity equations.
authors.affiliation: LPTMS, CNRS, Université Paris Sud et Université Paris-Saclay, 91405 Orsay, France.
authors.forename: Silvio
authors.initials: S
authors.lastname: Franz
authors.affiliation: LPTMS, CNRS, Université Paris Sud et Université Paris-Saclay, 91405 Orsay, France.|IPhT, CEA Saclay, F-91191 Gif-sur-Yvette Cedex, France.|Université Grenoble Alpes, LIPHY, F-38000 Grenoble, France.|CNRS, LIPHY, F-38000 Grenoble, France.
authors.forename: Giacomo
authors.initials: G
authors.lastname: Gradenigo
authors.affiliation: LPTMS, CNRS, Université Paris Sud et Université Paris-Saclay, 91405 Orsay, France.
authors.forename: Stefano
authors.initials: S
authors.lastname: Spigler