| Issue |
Europhys. Lett.
Volume 67, Number 4, August 2004
|
|
|---|---|---|
| Page(s) | 538 - 544 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2004-10096-6 | |
| Published online | 01 August 2004 | |
Geometric phase for fermionic quasiparticles scattering by disgyration in superfluids
1
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: furtado@fisica.ufpb.br
Received:
22
January
2004
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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