Bose-Einstein-condensate superfluid-Mott-insulator transition in an optical lattice

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We present an analytical model for a cold bosonic gas on an optical lattice (with densities of the order of 1 particle per site), targeting the critical regime of the Bose-Einstein-condensate superfluid-Mott-insulator transition. We focus on the computation of the one-body density matrix and its Fou...

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Detalles Bibliográficos
Autores principales:	Calzetta, E., Hu, B.L., Rey, A.M.
Formato:	JOUR
Materias:	Approximation theory Crystal lattices Fourier transforms Insulating materials Interpolation Perturbation techniques Bogoliubov approximation Bose-Einstein-condensation superfluid-Mott-insulator transition Strong-coupling perturbation theory Superfluid helium
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_10502947_v73_n2_p_Calzetta
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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