Quantum gates and multipartite entanglement resonances realized by nonuniform cavity motion

Friis, Nicolai, Huber, Marcus, Fuentes, Ivette and Bruschi, David Edward (2012) Quantum gates and multipartite entanglement resonances realized by nonuniform cavity motion. Physical Review D - Particles, Fields, Gravitation and Cosmology, 86 (10), [105003]. (doi:10.1103/PhysRevD.86.105003).

Record type: Article

Abstract

We demonstrate the presence of genuine multipartite entanglement between the modes of quantum fields in nonuniformly moving cavities. The transformations generated by the cavity motion can be considered as multipartite quantum gates. We present two setups for which multimode entanglement can be generated for bosons and fermions. As a highlight we show that the genuine bosonic multipartite correlations can be resonantly enhanced. Our results provide fundamental insights into the structure of Bogoliubov transformations and suggest strong links between quantum information, quantum fields in curved spacetimes and gravitational analogues by way of the equivalence principle.

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