Polaritons in modified antiferromagnets

A theoretical study of mixed modes of uniaxial Heisenberg antiferromagnets by a dc field is presented. The static field is applied in an arbitrary direction relative to the easy axis and special attention is given to the magnetostatic limit where previous calculations show intriguing behavior of sur...

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Principais autores: Carriço, Artur da Silva, Fonseca, T. L., Almeida, N. S.
Formato: article
Idioma:English
Publicado em: American Physical Society
Assuntos:
Polaritons
Antiferromagnets
Endereço do item:https://repositorio.ufrn.br/jspui/handle/123456789/28846
https://doi.org/10.1103/PhysRevB.46.11626
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spelling ri-123456789-288462020-05-05T04:26:34Z Polaritons in modified antiferromagnets Carriço, Artur da Silva Fonseca, T. L. Almeida, N. S. Polaritons Antiferromagnets A theoretical study of mixed modes of uniaxial Heisenberg antiferromagnets by a dc field is presented. The static field is applied in an arbitrary direction relative to the easy axis and special attention is given to the magnetostatic limit where previous calculations show intriguing behavior of surface modes. Retarded polaritons are also considered and the spectrum that should be observed through the attenuated-total-reflection technique is calculated. Numerical results are presented for MnF2 and FeF2 semi-infinite specimens. A theoretical study of mixed modes of uniaxial Heisenberg antiferromagnets by a dc field is presented. The static field is applied in an arbitrary direction relative to the easy axis and special attention is given to the magnetostatic limit where previous calculations show intriguing behavior of surface modes. Retarded polaritons are also considered and the spectrum that should be observed through the attenuated-total-reflection technique is calculated. Numerical results are presented for MnF2 and FeF2 semi-infinite specimens. 2020-04-29T21:51:01Z 2020-04-29T21:51:01Z 1992-11-01 article FONSECA, T. L.; CARRIÇO, Artur da Silva; ALMEIDA, N. S. Polaritons in modified antiferromagnets. Physical Review B - Solid State, v. 46, p. 11626-11631, 1992. ISSN 2469-9950. DOI https://doi.org/10.1103/PhysRevB.46.11626. Disponível em: https://journals.aps.org/prb/abstract/10.1103/PhysRevB.46.11626. Acesso em: 29 abr. 2020. 2469-9969 (online), 2469-9950 (print) https://repositorio.ufrn.br/jspui/handle/123456789/28846 https://doi.org/10.1103/PhysRevB.46.11626 en application/pdf American Physical Society
institution Repositório Institucional
collection RI - UFRN
language English
topic Polaritons
Antiferromagnets
spellingShingle Polaritons
Antiferromagnets
Carriço, Artur da Silva
Fonseca, T. L.
Almeida, N. S.
Polaritons in modified antiferromagnets
description A theoretical study of mixed modes of uniaxial Heisenberg antiferromagnets by a dc field is presented. The static field is applied in an arbitrary direction relative to the easy axis and special attention is given to the magnetostatic limit where previous calculations show intriguing behavior of surface modes. Retarded polaritons are also considered and the spectrum that should be observed through the attenuated-total-reflection technique is calculated. Numerical results are presented for MnF2 and FeF2 semi-infinite specimens.
format article
author Carriço, Artur da Silva
Fonseca, T. L.
Almeida, N. S.
author_facet Carriço, Artur da Silva
Fonseca, T. L.
Almeida, N. S.
author_sort Carriço, Artur da Silva
title Polaritons in modified antiferromagnets
title_short Polaritons in modified antiferromagnets
title_full Polaritons in modified antiferromagnets
title_fullStr Polaritons in modified antiferromagnets
title_full_unstemmed Polaritons in modified antiferromagnets
title_sort polaritons in modified antiferromagnets
publisher American Physical Society
publishDate 2020
url https://repositorio.ufrn.br/jspui/handle/123456789/28846
https://doi.org/10.1103/PhysRevB.46.11626
work_keys_str_mv AT carricoarturdasilva polaritonsinmodifiedantiferromagnets
AT fonsecatl polaritonsinmodifiedantiferromagnets
AT almeidans polaritonsinmodifiedantiferromagnets
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