23 citations · 201 across the 17 of their papers we have counts for
6 papers · 1 filter
Microcanonical characterization of first-order phase transitions in a generalized model for aggregation
L. F. Trugilho, L. G. Rizzi
Aggregation transitions in disordered mesoscopic systems play an important role in several areas of knowledge, from materials science to biology. The lack of a thermodynamic limit…
Stripe-tetragonal phase transition in the 2D Ising model with dipole interactions: Partition-function zeros approach
Jacyana S. M. Fonseca, Leandro G. Rizzi, Nelson A. Alves
We have performed multicanonical simulations to study the critical behavior of the two-dimensional Ising model with dipole interactions. This study concerns the thermodynamic phase…
Multicanonical entropy like-solution of statistical temperature weighted histogram analysis method (ST-WHAM)
Leandro G. Rizzi, Nelson A. Alves
A multicanonical update relation for calculation of the microcanonical entropy by means of the estimates of the inverse statistical temperature , is proposed. T…
The extended gaussian ensemble and metastabilities in the Blume-Capel model
Rafael B. Frigori, Leandro G. Rizzi, Nelson A. Alves
The Blume-Capel model with infinite-range interactions presents analytical solutions in both canonical and microcanonical ensembles and therefore, its phase diagram is known in bot…
Extended gaussian ensemble solution and tricritical points of a system with long-range interactions
Rafael B. Frigori, Leandro G. Rizzi, Nelson A. Alves
The gaussian ensemble and its extended version theoretically play the important role of interpolating ensembles between the microcanonical and the canonical ensembles. Here, the th…
Phase transitions and autocorrelation times in two-dimensional Ising model with dipole interactions
Leandro G. Rizzi, Nelson A. Alves
The two-dimensional Ising model with nearest-neighbor ferromagnetic and long-range dipolar interactions exhibits a rich phase diagram. The presence of the dipolar interaction chang…