Topological Order in Frustrated Josephson Junction Arrays

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We show that electrically and magnetically frustrated Josephson junction arrays (JJAs) realize topological order with a non-trivial ground state degeneracy on manifolds with non-trivial topology. The low-energy theory has the same gauge dynamics of the unfrustrated JJAs but for different, "fractional" degrees of freedom, a principle reminescent of Jain's composite electrons in the fractional quantum Hall effect.
5 pages; to appear in EPL

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Strongly Correlated Electrons, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/203864

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0806.0329
 http://arxiv.org/abs/0806.0329
 Europhys.Lett.83:21003,2008
 doi:10.1209/0295-5075/83/21003

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arXiv