5 papers
Revisiting the machine-learning density functional for the one-dimensional Hubbard model with random external potential
Octavio D. R. Salmon, Minos A. Neto, J. Roberto Viana +1
We revisit the machine-learning (ML) approach to the universal density functional of the one-dimensional Hubbard model with a site-dependent random potential $\math…
Intermediate Thermal Equilibrium Stages in Molecular Dynamics Simulations of two Bodies in Contact
Jonathas N. da Silva, Octavio D. Rodriguez Salmon, Minos A. Neto
The Zeroth Law of Thermodynamics states that if two systems are in thermal equilibrium with a third one, then they are also in equilibrium with each other. This study explores not…
Superconductivity in strongly correlated systems for local repulsive interactions
Humberto M. Silva, Francisco Dinola Neto, Griffith M. A. R. +4
The understanding of the mechanisms responsible for superconductivity in strongly correlated systems is an interesting and important subject in condensed matter physics. Several th…
Resolution of the Two-Dimensional Ferromagnetic Spin-3/2 Ising Model via Cluster Growth
J. Roberto Viana, Octavio D. Rodriguez Salmon, Minos A. Neto +2
We propose a computational methodology based on a hierarchical cluster growth process to solve spin-3/2 Ising models efficiently. The method circumvents the exponential complexity…
Saturation Field as a Direct Probe of Exchange and Single-Ion Anisotropies in Spin-1 Magnets
M. A. R. Griffith, S. Rufo, H. Caldas +3
High magnetic fields provide a direct route to probe the anisotropies that govern spin dynamics in layered magnets. Using the SU(3) bond operator framework for spin 1 systems, we d…