Phase transitions, order by disorder, and finite entropy in the Ising antiferromagnetic bilayer honeycomb lattice

We present an analytical and numerical study of the Ising model on a bilayer honeycomb lattice including interlayer frustration and coupling with an external magnetic field. First, we discuss the exact T=0 phase diagram, where we find finite entropy phases for different magnetizations. Then, we stud...

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Detalles Bibliográficos
Autores principales: Gómez Albarracín, Flavia Alejandra, Rosales, Héctor Diego, Serra, Pablo
Formato: Articulo Preprint
Lenguaje:Inglés
Publicado: 2018
Materias:
Física
Frustrated ising model
Order by disorder
Monte carlo simulations
Bethe-lattice calculations
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/99269
https://ri.conicet.gov.ar/11336/91684
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-99269
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Frustrated ising model
Order by disorder
Monte carlo simulations
Bethe-lattice calculations
spellingShingle Física
Frustrated ising model
Order by disorder
Monte carlo simulations
Bethe-lattice calculations
Gómez Albarracín, Flavia Alejandra
Rosales, Héctor Diego
Serra, Pablo
Phase transitions, order by disorder, and finite entropy in the Ising antiferromagnetic bilayer honeycomb lattice
topic_facet Física
Frustrated ising model
Order by disorder
Monte carlo simulations
Bethe-lattice calculations
description We present an analytical and numerical study of the Ising model on a bilayer honeycomb lattice including interlayer frustration and coupling with an external magnetic field. First, we discuss the exact T=0 phase diagram, where we find finite entropy phases for different magnetizations. Then, we study the magnetic properties of the system at finite temperature using complementary analytical techniques (Bethe lattice) and two types of Monte Carlo algorithms (Metropolis and Wang-Landau). We characterize the phase transitions and discuss the phase diagrams. The system presents a rich phenomenology: There are first- and second-order transitions, low-temperature phases with extensive degeneracy, and order-by-disorder state selection.
format Articulo
Preprint
author Gómez Albarracín, Flavia Alejandra
Rosales, Héctor Diego
Serra, Pablo
author_facet Gómez Albarracín, Flavia Alejandra
Rosales, Héctor Diego
Serra, Pablo
author_sort Gómez Albarracín, Flavia Alejandra
title Phase transitions, order by disorder, and finite entropy in the Ising antiferromagnetic bilayer honeycomb lattice
title_short Phase transitions, order by disorder, and finite entropy in the Ising antiferromagnetic bilayer honeycomb lattice
title_full Phase transitions, order by disorder, and finite entropy in the Ising antiferromagnetic bilayer honeycomb lattice
title_fullStr Phase transitions, order by disorder, and finite entropy in the Ising antiferromagnetic bilayer honeycomb lattice
title_full_unstemmed Phase transitions, order by disorder, and finite entropy in the Ising antiferromagnetic bilayer honeycomb lattice
title_sort phase transitions, order by disorder, and finite entropy in the ising antiferromagnetic bilayer honeycomb lattice
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/99269
https://ri.conicet.gov.ar/11336/91684
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