Entangled state teleportation through a couple of quantum channels composed of XXZ dimers in an Ising-XXZ diamond chain

M Rojas, SM de Souza, O Rojas - Annals of Physics, 2017 - Elsevier
The quantum teleportation plays an important role in quantum information process, in this
sense, the quantum entanglement properties involving an infinite chain structure is quite …

Thermal entanglement in an exactly solvable Ising-XXZ diamond chain structure

O Rojas, M Rojas, NS Ananikian, SM De Souza - Physical Review A—Atomic …, 2012 - APS
Most quantum entanglement investigations are focused on two qubits or some finite (small)
chain structure, since the infinite chain structure is a considerably cumbersome task …

Pairwise thermal entanglement in the Ising-XYZ diamond chain structure in an external magnetic field

J Torrico, M Rojas, SM De Souza, O Rojas… - Europhysics …, 2014 - iopscience.iop.org
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 …

Universality and quasicritical exponents of one-dimensional models displaying a quasitransition at finite temperatures

O Rojas, J Strečka, ML Lyra, SM de Souza - Physical Review E, 2019 - APS
Quasicritical exponents of one-dimensional models displaying a quasitransition at finite
temperatures are examined in detail. The quasitransition is characterized by intense sharp …

Zero-temperature phase transitions and their anomalous influence on thermodynamic behavior in the -state Potts model on a diamond chain

Y Panov, O Rojas - Physical Review E, 2023 - APS
The q-state Potts model on a diamond chain has mathematical significance in analyzing
phase transitions and critical behaviors in diverse fields, including statistical physics …

Frustration phenomenon in the spin-1/2 Ising–Heisenberg planar model of inter-connected trigonal bipyramid structures

L Gálisová - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Ground-state and finite-temperature properties of the exactly solvable mixed spin-1/2 Ising–
Heisenberg planar model composed of identical trigonal bipyramids that are arranged into a …

[HTML][HTML] Low-temperature thermodynamics of the two-leg ladder Ising model with trimer rungs: A mystery explained

T Hutak, T Krokhmalskii, O Rojas, SM de Souza… - Physics Letters A, 2021 - Elsevier
Recently, a surprising low-temperature behavior has been revealed in a two-leg ladder Ising
model with trimer rungs (Weiguo Yin, arXiv: 2006.08921). Motivated by these findings, we …

[HTML][HTML] Zero temperature non-plateau magnetization and magnetocaloric effect in an Ising-XYZ diamond chain structure

J Torrico, M Rojas, SM de Souza, O Rojas - Physics Letters A, 2016 - Elsevier
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 illustrate a …

A conjecture on the relationship between critical residual entropy and finite temperature pseudo-transitions of one-dimensional models

O Rojas - Brazilian Journal of Physics, 2020 - Springer
Recently pseudo-critical temperature clues were observed in one-dimensional spin models,
such as the Ising-Heisenberg spin models, among others. Here we report a relationship …

Frustrated Ising model on the Cairo pentagonal lattice

M Rojas, O Rojas, SM de Souza - … Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
Through the direct decoration transformation approach, we obtain a general solution for the
pentagonal Ising model, showing its equivalence to the isotropic free-fermion eight-vertex …