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International Journal of Theoretical Physics

Fermi-Bose Systems, Macroscopic Quantum Superposition States and Entanglement

Yorick Hardy, Willi-Hans Steeb

Published Nov 1, 2004• 0 citations
Publisher
DOI
10.1023/b:ijtp.0000049019.68706.52

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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.