Coherent scattering of a multiphoton quantum superposition by a mirror BEC
Authors: De Martini F., Sciarrino F., Vitelli C., Cataliotti F.S.
Autors Affiliation: Dipartimento di Fisica, Università di Roma la Sapienza, Piazzale Aldo Moro 2, I-00185 Roma, Italy; Accademia Nazionale Dei Lincei, Via della Lungara 10, I-00165 Roma, Italy; Dipartimento di Energetica and LENS, Università di Firenze, via N. Carrara 1, I-50019 Sesto F.no (FI), Italy
Abstract: We present the proposition of an experiment in which the multiphoton quantum superposition consisting of N˜105 particles generated by a quantum-injected optical parametric amplifier, seeded by a single-photon belonging to an Einstein-Podolsky-Rosen entangled pair, is made to interact with a mirror-Bose-Einstein condensate (BEC) shaped as a Bragg interference structure. The overall process will realize a macroscopic quantum superposition involving a microscopic single-photon state of polarization entangled with the coherent macroscopic transfer of momentum to the BEC structure, acting in spacelike separated distant places.
Journal/Review: PHYSICAL REVIEW LETTERS
Volume: 104 (5) Pages from: 050403 to: 050403
More Information: We acknowledge interesting discussions with C. Fort, L. Fallani, and M. Inguscio. F. D. M. also acknowledges early discussions with Markus Aspelmeyer leading to the basic idea of the present proposal. This work is supported by MIUR (N. PRIN 06), FP7 CHIMONO.KeyWords: Bose-Einstein condensation; Coherent scattering; Mirrors; Multiphoton processes; Optical parametric amplifiers; Parametric amplifiers; Particle beams; Photons; Statistical mechanics, Bose-Einstein condensates; Einstein-Podolsky-rosen; Interference structures; Macroscopic quantum; Multiphoton quantum superposition; Overall process; Single photon state; Single photons, Quantum entanglementDOI: 10.1103/PhysRevLett.104.050403