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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Descrição alternativa da supercondutividade e do efeito Kondo via soluções solitônicas

Silva, Júlio César Mota 29 July 2016 (has links)
Submitted by Vasti Diniz (vastijpa@hotmail.com) on 2017-09-18T13:25:12Z No. of bitstreams: 1 arquivototal.pdf: 1173515 bytes, checksum: 6b27e3426deb9a7c32c8aa5b029cc0a7 (MD5) / Made available in DSpace on 2017-09-18T13:25:12Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1173515 bytes, checksum: 6b27e3426deb9a7c32c8aa5b029cc0a7 (MD5) Previous issue date: 2016-07-29 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / Here we describe the superconductivity and the Kondo effect through domain wall solutions. We introduced the temperature in the models by making an analogy between the domain walls type solutions with internal structures and Rindler obsevers. By making the introduction of temperature and a gauge field into the model we obtain the superconducting domain walls and the superconductivity they describe. When we consider a model that allows the violation of Lorentz symmetry is possible to describe the effect of impurities on the domain walls with which we describe the Kondo effect in superconductors. Our results are in agreement with the results obtained from research into holographic superconductors. / Neste trabalho descrevemos a supercondutividade e o efeito Kondo atraves de solugoes de paredes de dominio. Introduzimos a temperatura nos modelos fazendo uma analogia entre as solugoes do tipo paredes de dominio corn estruturas internas e os observadores de Rindler. Ao fazermos a introducao de temperatura e de urn campo de gauge no modelo obtemos paredes de dominios supercondutoras e corn elan descrevemos a supercondutividade. Ao considerarmos um modelo que permite a violado da simetria de Lorentz é possivel descrever o efeito de impurezas nas paredes de dominios, corn as quais descrevemos o efeito Kondo ern supercondutores. Nossos resultados estao de acordo com os resultados obtidos nas pesquisas sobre supercondutores holograficos.

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