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Weak Measurements and Quantum-to-classical Transitions in Free Electron–photon Interactions by Yiming Pan; Eliahu Cohen; Ebrahim Karimi; Avraham Gover; Norbert Schönenberger; Tomáš Chlouba; Kangpeng Wang; Saar Nehemia; Peter Hommelhoff; Ido Kaminer; Yakir Aharonov is a Engineering article available to read on EtoBox.

What is Weak Measurements and Quantum-to-classical Transitions in Free Electron–photon Interactions about?

How does the quantum-to-classical transition of measurement occur? This question is vital for both foundations and applications of quantum mechanics. Here, we develop a new measurement-based framework for characterizing the classical and quantum free electron–photon interactions and then experimentally test it. We first analyze the transition from projective to weak measurement in generic light–matter interactions and show that any classical electron-laser-beam interaction can be represented as an outcome of weak measurement. In particular, the appearance of classical point-particle acceleration is an example of an amplified weak value resulting from weak measurement. A universal factor, \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\exp \left(-{\Gamma }^{2}/2\right)$$\end{document}exp−Γ2/2, quantifies the measurement regimes and their transition from quantum to classical, where \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepacka

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Author

Yiming Pan; Eliahu Cohen; Ebrahim Karimi; Avraham Gover; Norbert Schönenberger; Tomáš Chlouba; Kangpeng Wang; Saar Nehemia; Peter Hommelhoff; Ido Kaminer; Yakir Aharonov

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Engineering (Physical Sciences)