The fractional Aharonov-Bohm effect in mesoscopic rings

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We study the effects of correlations on a one-dimensional ring threaded by a uniform magnetic flux. In order to describe the interaction between particles, we work in the framework of the U = ∞ Hubbard model and the t-J z and t-J z -J t models. We focus on the dilute limit. Our results suggest the p...

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Detalles Bibliográficos
Autor principal: Ferrari, Valeria Paola
Otros Autores: Chiappe, Guillermo
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1996
Acceso en línea:Registro en Scopus
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100 1 |a Ferrari, Valeria Paola 
245 1 4 |a The fractional Aharonov-Bohm effect in mesoscopic rings 
260 |c 1996 
270 1 0 |m Ferrari, V.; Departamento de Física, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428, Buenos Aires, Argentina 
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506 |2 openaire  |e Política editorial 
520 3 |a We study the effects of correlations on a one-dimensional ring threaded by a uniform magnetic flux. In order to describe the interaction between particles, we work in the framework of the U = ∞ Hubbard model and the t-J z and t-J z -J t models. We focus on the dilute limit. Our results suggest the possibility that the persistent current has an anomalous periodicity φ 0 /p, where p is an integer in the range 2 ≤ p ≤ N e (N e is the number of particles in the ring and φ 0 is the flux quantum). We find that this result depends neither on disorder nor on the detailed form of the interaction, while there is still on-site infinite repulsion.  |l eng 
593 |a Departamento de Física, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428, Buenos Aires, Argentina 
700 1 |a Chiappe, Guillermo 
773 0 |d 1996  |g v. 8  |h pp. 8583-8594  |k n. 44  |p J Phys Condens Matter  |x 09538984  |w (AR-BaUEN)CENRE-311  |t Journal of Physics Condensed Matter 
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