Spin-phonon induced magnetic order in magnetized Spin Ice systems

We study the behavior of spin ice pyrochlore systems above the well known [111] 1/3 plateau, under slight deviations of the direction of the external field. We model the relevant degrees of freedom by Ising spins on the kagome lattice. We propose the inclusion of lattice deformations, which imply ph...

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Autores principales: Gómez Albarracín, Flavia Alejandra, Cabra, Daniel Carlos, Rosales, Héctor Diego, Rossini, Gerardo Luis
Formato: Objeto de conferencia
Lenguaje:Inglés
Publicado: 2014
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/85366
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id I19-R120-10915-85366
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Ciencias Exactas
Spin ice pyrochlore systems
Magnetic frustration
spellingShingle Física
Ciencias Exactas
Spin ice pyrochlore systems
Magnetic frustration
Gómez Albarracín, Flavia Alejandra
Cabra, Daniel Carlos
Rosales, Héctor Diego
Rossini, Gerardo Luis
Spin-phonon induced magnetic order in magnetized Spin Ice systems
topic_facet Física
Ciencias Exactas
Spin ice pyrochlore systems
Magnetic frustration
description We study the behavior of spin ice pyrochlore systems above the well known [111] 1/3 plateau, under slight deviations of the direction of the external field. We model the relevant degrees of freedom by Ising spins on the kagome lattice. We propose the inclusion of lattice deformations, which imply phononic degrees of freedom in the adiabatic limit. We use analytical calculations to estimate how these new degrees of freedom affect the short and long range spin interactions in the presence of an external magnetic field. We then obtain the magnetization curves, explore the phases and the ground states of this system in the presence of magnetic field by Monte Carlo simulations. We discuss comparisons with experimental results.
format Objeto de conferencia
Objeto de conferencia
author Gómez Albarracín, Flavia Alejandra
Cabra, Daniel Carlos
Rosales, Héctor Diego
Rossini, Gerardo Luis
author_facet Gómez Albarracín, Flavia Alejandra
Cabra, Daniel Carlos
Rosales, Héctor Diego
Rossini, Gerardo Luis
author_sort Gómez Albarracín, Flavia Alejandra
title Spin-phonon induced magnetic order in magnetized Spin Ice systems
title_short Spin-phonon induced magnetic order in magnetized Spin Ice systems
title_full Spin-phonon induced magnetic order in magnetized Spin Ice systems
title_fullStr Spin-phonon induced magnetic order in magnetized Spin Ice systems
title_full_unstemmed Spin-phonon induced magnetic order in magnetized Spin Ice systems
title_sort spin-phonon induced magnetic order in magnetized spin ice systems
publishDate 2014
url http://sedici.unlp.edu.ar/handle/10915/85366
work_keys_str_mv AT gomezalbarracinflaviaalejandra spinphononinducedmagneticorderinmagnetizedspinicesystems
AT cabradanielcarlos spinphononinducedmagneticorderinmagnetizedspinicesystems
AT rosaleshectordiego spinphononinducedmagneticorderinmagnetizedspinicesystems
AT rossinigerardoluis spinphononinducedmagneticorderinmagnetizedspinicesystems
bdutipo_str Repositorios
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