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Twisted complex superfluids in optical lattices

We show that correlated pair tunneling drives a phase transition to a twisted superfluid with a complex order parameter. This unconventional superfluid phase spontaneously breaks the time-reversal symmetry and is characterized by a twisting of the complex phase angle between adjacent lattice sites....

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Detalles Bibliográficos
Autores principales: Jürgensen, Ole, Sengstock, Klaus, Lühmann, Dirk-Sören
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4642545/
https://www.ncbi.nlm.nih.gov/pubmed/26345721
http://dx.doi.org/10.1038/srep12912