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10 papers · 1 filter
Superminimal Surfaces in the 6-Sphere
José Kenedy Martins
In this article, we use the harmonic sequence associated to a weakly conformal harmonic map in order to determine explicit examples of linearly full almost complex 2-s…
Entropy of polydisperse chains: solution on the Husimi lattice
Minos A. Neto, Jürgen F. Stilck
We consider the entropy of polydisperse chains placed on a lattice. In particular, we study a model for equilibrium polymerization, where the polydispersivity is determined by two…
Qualitative aspects of the phase diagram of J1-J2 model on the cubic lattice
Octavio D. R. Salmon, Nuno Crokidakis, Minos A. Neto +3
The qualitative aspects of the phase diagram of the Ising model on the cubic lattice, with ferromagnetic nearest-neighbor interactions () and antiferromagnetic next-nearest-…
The Rubber Band Revisited: Wang-Landau Simulation
Lucas S. Ferreira, Alvaro A. Caparica, Minos A. Neto +1
In this work we apply Wang-Landau simulations to a simple model which has exact solutions both in the microcanonical and canonical formalisms. The simulations were carried out by u…
Phase diagrams of the transverse Ising antiferromagnet in the presence of the longitudinal magnetic field
Minos A. Neto, J. Ricardo de Sousa
In this paper we study the critical behavior of the two-dimensional antiferromagnetic Ising model in both uniform longitudinal () and transverse () magnetic fields. Using the…
The Ising antiferromagnet on an anisotropic simple cubic lattice in the presence of a magnetic field
Octavio D. R. Salmon, Minos A. Neto, J. Roberto Viana +2
We have studied the anisotropic three-dimensional nearest-neighbor Ising model with competitive interactions in an uniform longitudinal magnetic field . The model consists of fe…