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|Author(s):||J A. Dunningham; Karen G. Burnett; R Roth; William D. Phillips;|
|Title:||Creation of Macroscopic Superposition States from Arrays of Bose-Einstein Condensates|
|Abstract:||We consider how macroscopic quantum superpositions may be created from arrays of Bose-Einstein condensates. We study a system of three condensates in Fock states, all with the same number of atoms and show that this has the form of a highly entangled superposition of different quasi-momenta. We then show how, by partially releasing these condensates and detecting an interference pattern where they overlap, it is possible to create a macroscopic superposition of different relative phases for the remaining portions of the condensates. We discuss methods for confirming these superpositions.|
|Citation:||New Journal of Physics|
|Keywords:||Bose-Einstein condensates,Bose-Gubbard Hamiltonian,Fock states,optical lattice,quantum|