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2025-02-22T17:01:11-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-111598%22&qt=morelikethis&rows=5
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Impurity-impurity pair correlation function and paramagnetic-to-ferromagnetic transition in the random Ising model

Impurity-impurity pair correlation function and paramagnetic-to-ferromagnetic transition in the random Ising model

In this Monte Carlo study we concentrated on the influence of non-magnetic impurities arranged as the lines with random orientation on paramagnetic-to-ferromagnetic phase transition in the 3D Ising model. Special emphasize is given to the long-distance decay of the impurity-impurity pair correlation...

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Bibliographic Details
Main Authors: Ivaneyko, D., Berche, B., Holovatch, Yu., Ilnytskyi, Ja.
Format: Article
Language:English
Published: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2007
Series:Вопросы атомной науки и техники
Subjects:
Phase transformations in condensed matter
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/111598
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Summary:In this Monte Carlo study we concentrated on the influence of non-magnetic impurities arranged as the lines with random orientation on paramagnetic-to-ferromagnetic phase transition in the 3D Ising model. Special emphasize is given to the long-distance decay of the impurity-impurity pair correlation function. It is shown that for the lattice sizes considered (L=10-96) and for the two different impurity distributions (purely random and mutually avoiding lines) the function is governed by the power law of 1/ra with an universal exponent a≈2. This result supports our findings about the numerical values of the critical exponents governing magnetic phase transition in the 3D Ising model with long-range-correlated disorder.

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