Measurement of a Quantum Particle Position at Two Distant Locations: A Model

0563491 - ÚJF 2023 RIV CZ eng J - Článek v odborném periodiku
Dittrich, Jaroslav
Measurement of a Quantum Particle Position at Two Distant Locations: A Model.
Acta Polytechnica. Roč. 62, č. 4 (2022), s. 445-450. ISSN 1210-2709. E-ISSN 1805-2363
Grant CEP: GA ČR(CZ) GA21-07129S
Institucionální podpora: RVO:61389005
Klíčová slova: position measurement * EPR paradox * quantum measurement
Obor OECD: Particles and field physics
Impakt faktor: 0.8, rok: 2022
Způsob publikování: Open access
https://doi.org/10.14311/AP.2022.62.0445

A simplified one-dimensional model of measurement of the position of a quantum particle by two distant detectors is considered. Detectors are modelled by quantum particles bounded in potential wells with just two bound states, prepared in the excited states. Their de-excitation due to the short range interaction with the measured particle is the signal for the detection. In the approximations of short time or small coupling between the particle and the measuring apparatuses, the simultaneous detection of the particle by both detectors is suppressed. The results extend to other models with two-level detectors.
Trvalý link: https://hdl.handle.net/11104/0335437