Physical mechanisms underpinning the vacuum permittivity
Abstract
Debate about the emptiness of the space goes back to the prehistory of science and is epitomized by the Aristotelian horror vacui, which can be seen as the precursor of the ether, whose modern version is the dynamical quantum vacuum. Here, we change our view to gaudium vacui and discuss how the vacuum fluctuations fix the value of the permittivity 0 and permeability μ0.
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