A gedanken experiment is proposed in which the momentum and position of a photon can be measured simultaneously in such a way that the product of their respective errors is less than the right-hand side of the corresponding Heisenberg uncertainty relation.

Keywords: quantum measurements, measurement accuracy, Heisenberg uncertainty principle PACS: 03.65.Ta DOI: 10.3367/UFNe.2017.02.038069 URL: https://ufn.ru/en/articles/2017/3/g/ 000405323300007 2-s2.0-85021169737 2017PhyU...60..325B Citation: Belinsky A V, Lapshin V B "The uncertainty principle and measurement accuracy" Phys. Usp. 60 325–326 (2017) BibTexBibNote ® (generic)BibNote ® (RIS)MedlineRefWorks Received: 13th, July 2016, accepted: 7th, February 2017 Оригинал: Белинский А В, Лапшин В Б «Принцип неопределённостей и точность измерений» УФН 187 349–350 (2017); DOI: 10.3367/UFNr.2017.02.038069