Nonequilibrium quantum magnetism in a dipolar lattice gas

We report on the realization of quantum magnetism using a degenerate dipolar gas in an optical lattice. Our system implements a lattice model resembling the celebrated t-J model. It is characterized by a nonequilibrium spinor dynamics resulting from intersite Heisenberg-like spin-spin interactions p...

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Detalles Bibliográficos
Autores: Gil De Paz, Armando, Sharma, A., Chotia, A., Marechal, E., Huckans, J. H., Pedri, P., Santos, L., Gorceix, O., Vernac, L., Laburthe-Tolra, B.
Tipo de recurso: artículo
Fecha de publicación:2013
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/35016
Acceso en línea:https://hdl.handle.net/20.500.14352/35016
Access Level:acceso abierto
Palabra clave:52
Polar-molecules
Optical lattice
Ultracold atoms
Dynamics
Astrofísica
Astronomía (Física)
Descripción
Sumario:We report on the realization of quantum magnetism using a degenerate dipolar gas in an optical lattice. Our system implements a lattice model resembling the celebrated t-J model. It is characterized by a nonequilibrium spinor dynamics resulting from intersite Heisenberg-like spin-spin interactions provided by nonlocal dipole-dipole interactions. Moreover, due to its large spin, our chromium lattice gases constitute an excellent environment for the study of quantum magnetism of high-spin systems, as illustrated by the complex spin dynamics observed for doubly occupied sites.