Volume 67, Number 4, August 2004
|Page(s)||538 - 544|
|Published online||01 August 2004|
Geometric phase for fermionic quasiparticles scattering by disgyration in superfluids
Departamento de Física Teórica, Instituto de Física-UERJ Rua São Fco. Xavier 524, Rio de Janeiro, RJ, Maracanã, 20550-003, Brazil
2 Departamento de Física, Universidade Federal da Paraíba Caixa postal 5008, 58051-970, João Pessoa, PB, Brazil
Corresponding author: firstname.lastname@example.org
Accepted: 8 June 2004
We consider a Volovik's analogue model for the description of topological defects in a superfluid and we investigate the scattering of quasiparticles in this background. The analogue of the gravitational Aharonov-Bohm effect in this system is found. An analysis of this problem employing loop variables is considered and corroborates the existence of the Aharonov-Bohm effect in this system. The results presented here may be used to study the Aharonov-Bohm effect in superconductors.
PACS: 04.20.-q – Classical general relativity / 03.65.Vf – Phases: geometric; dynamic or topological / 02.40.-k – Geometry, differential geometry, and topology
© EDP Sciences, 2004
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