60 citations · 297 across the 19 of their papers we have counts for
19 papers
Thermodynamic and magnetocaloric properties of a triangular spin-1/2 cluster with Dzyaloshinskii-Moriya interaction
Jordana Torrico, Romulo A. Silva, S. M. de Souza +1
We present a theoretical investigation of the magnetic and thermodynamic properties of the triangular spin-1/2 cluster with Dzyaloshinskii-Moriya (DM) interaction, described by a s…
Unusual low-temperature behavior in the half-filled band of the one-dimensional extended Hubbard model in atomic limit
Onofre Rojas, S. M. de Souza, J. Torrico +4
Recently, a kind of finite-temperature pseudo-transition was observed in several quasi-one-dimensional models. In this work, we consider a genuine one-dimensional extended Hubbard…
Magnetocaloric effect in -type compounds using the Heisenberg antiferromagnetic model in a triangular ring
G. A. Antonio, J. Torrico, A. S. da Mata +2
In this work we present a theoretical investigation into an antiferromagnetically coupled spin system, specifically (), which exhibits an isoscel…
Study of the ground state and thermodynamic properties of Cu5-NIPA-like molecular nanomagnets
J. Torrico, J. A. Plascak
The thermodynamic properties of a spatially anisotropic spin-1/2 Heisenberg model for a Cu pentameric molecule is studied through exact diagonalization. The elementary geometry…
Low temperature pseudo-phase transition in an extended Hubbard diamond chain
Onofre Rojas, Jordana Torrico, L. M. Veríssimo +3
We consider the extended Hubbard diamond chain with an arbitrary number of particles driven by chemical potential. The interaction between dimer diamond chain and nodal couplings i…
Magnetoelastic properties of a spin-1/2 Ising-Heisenberg diamond chain in vicinity of a triple coexistence point
N. Ferreira, J. Torrico, S. M. de Souza +2
We study magnetoelastic properties of a spin-1/2 Ising-Heisenberg diamond chain, whose elementary unit cell consists of two decorating Heisenberg spins and one nodal Ising spin. It…
Ground state and thermodynamic properties of spin-1/2 isosceles Heisenberg triangles for V-like magnetic molecules
J. Torrico, J. A. Plascak
The spin-1/2 Hamiltonian for two coupled isosceles Heisenberg triangles, which is well suited for describing the V-type magnetic molecules, is studied by exact diagonalization.…
Magnetic behavior of a ferro-ferrimagnetic ternary alloy ABC with a selective site disorder: the case study of a mixed-spin Ising model on a honeycomb lattice
Jordana Torrico, Jozef Strečka, Onofre Rojas +2
Phase transitions, compensation phenomenon and magnetization of a ferro-ferrimagnetic ternary alloy ABC composed of three different kinds of magnetic ions A, B and C wi…
Correlation functions for a spin- Ising-XYZ diamond chain: Further evidence for quasi-phases and pseudo-transitions
I. M. Carvalho, J. Torrico, S. M. de Souza +2
One-dimensional systems with short-range interactions cannot exhibit a long-range order at nonzero temperature. However, there are some particular one-dimensional models, such as t…
Heterobimetallic Dy-Cu coordination compound as a classical-quantum ferrimagnetic chain of regularly alternating Ising and Heisenberg spins
J. Torrico, J. Strecka, M. Hagiwara +5
A classical-quantum chain composed of regularly alternating Ising and Heisenberg spins is rigorously solved by considering two distinct local anisotropy axes of the Ising spins. Th…
Effect of the Canting of Local Anisotropy Axes on Ground-State Properties of a Ferrimagnetic Chain with Regularly Alternating Ising and Heisenberg Spins
J. Torrico, M. L. Lyra, S. M. de Souza +1
The effect of the canting of local anisotropy axes on the ground-state phase diagram and magnetization of a ferrimagnetic chain with regularly alternating Ising and Heisenberg spin…
Quantum entanglement in the neighborhood of pseudo-transition for a spin-1/2 Ising-XYZ diamond chain
I. M. Carvalho, J. Torrico, S. M. de Souza +2
Recently has been observed for some one-dimensional models that exhibit unexpected pseudo-transitions and quasi-phases. This pseudo-transition resembles a first- and second-order p…
Atmospheric density uncertainty effects on the orbital lifetime estimation for CubeSats at LEO
D. J. Cubillos Jara, J. A. Soliz Torrico, O. L. Ramírez Suárez
Nanosatellites, and especially CubeSats, at low earth orbits (LEOs) are a low cost option for monitoring atmospheric and environmental conditions around Earth. For instance, data f…
Non-conserved magnetization operator and `fire-and-ice' ground states in the Ising-Heisenberg diamond chain
Jordana Torrico, Vadim Ohanyan, Onofre Rojas
We consider the diamond chain with S=1/2 XYZ vertical dimers which interact with the intermediate sites via the interaction of the Ising type. We also suppose all four spins form t…
Thermal entanglement in a spin-1/2 Ising-XYZ distorted diamond chain with the second-neighbor interaction between nodal Ising spins
Onofre Rojas, M. Rojas, S. M. de Souza +3
We consider a spin-1/2 Ising-XYZ distorted diamond chain with the XYZ interaction between the interstitial Heisenberg dimers, the nearest-neighbor Ising coupling between the nodal…
A coupled spin-electron diamond chain with different Landé g-factors of localized Ising spins and mobile electrons
J. Torrico, M. S. S. Pereira, Jozef Strecka +1
A coupled spin-electron diamond chain with localized Ising spins placed on its nodal sites and mobile electrons delocalized over interstitial sites is explored in a magnetic field…
Zero temperature non-plateau magnetization and magnetocaloric effect in an Ising-XYZ diamond chain structure
J. Torrico, M. Rojas, S. M. de Souza +1
Zero temperature non-plateau magnetization is a peculiar property of a quantum spin chain and it sometimes appears due to different gyromagnetic factors. In this study, we illustra…
Spin frustration and fermionic entanglement in an exactly solved hybrid diamond chain with the localized Ising spins and mobile electrons
J. Torrico, M. Rojas, M. S. S. Pereira +2
The strongly correlated spin-electron system on a diamond chain containing localized Ising spins on its nodal lattice sites and mobile electrons on its interstitial sites is exactl…
Pairwise thermal entanglement in Ising-XYZ diamond chain structure in an external magnetic field
J. Torrico, M. Rojas, S. M. de Souza +2
Quantum entanglement is one of the most fascinating types of correlation that can be shared only among quantum systems. The Heisenberg chain is one of the simplest quantum chains w…