Quantum field theory and classical optics: determining the fine structure 
constant

Leuchs, Gerd; Hawton, Margaret; Sanchez-Soto, Luis L.

doi:10.1088/1742-6596/793/1/012017

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Quantum field theory and classical optics: determining the fine structure constant

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Leuchs, Gerd
Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Sanchez-Soto, Luis L.
Quantumness, Tomography, Entanglement, and Codes, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Leuchs, G., Hawton, M., & Sanchez-Soto, L. L. (2017). Quantum field theory and classical optics: determining the fine structure constant. VII INTERNATIONAL SYMPOSIUM AND YOUNG SCIENTISTS SCHOOL MODERN PROBLEMS OF LASER PHYSICS, UNSP 012017. doi:10.1088/1742-6596/793/1/012017.

Cite as: https://hdl.handle.net/21.11116/0000-0000-6255-2

Abstract

The properties of the vacuum are described by quantum physics including the response to external fields such as electromagnetic radiation. Of the two parameters that govern the details of the electromagnetic field dynamics in vacuum, one is fixed by the requirement of Lorentz invariance c = 1/root epsilon(0)mu(0) The other one, Z(0) = root mu(0)/epsilon(0) = 1/(c epsilon(0)) and its relation to the quantum vacuum, is discussed in this contribution. Deriving epsilon(0) from the properties of the quantum vacuum implies the derivation of the fine structure constant.