Bose-Hubbard model in a ring-shaped optical lattice with high filling factors

The high-barrier quantum tunneling regime of a Bose-Einstein condensate confined in a ring-shaped optical lattice is investigated. By means of a change of basis transformation, connecting the set of "vortex" Bloch states and a Wannier-like set of localized wave functions, we derive a gener...

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Detalles Bibliográficos
Autores principales: Cataldo, H.M., Jezek, D.M.
Formato: JOUR
Materias:
Bloch state
Bose Hubbard model
Bose-Einstein condensates
Bose-Hubbard Hamiltonian
Change of basis
Filling factor
Hopping rate
Lattice sites
Level crossing
Localized wave functions
Quantum tunneling
Ring-shaped optical lattices
Tunneling process
Crystal lattices
Filling
Hamiltonians
Hubbard model
Optical materials
Statistical mechanics
Steam condensers
Ionic conduction
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10502947_v84_n1_p_Cataldo
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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