Abstract
We give a general overview of various flavours of the equivalence principle in classical and quantum physics, with special emphasis on the so-called weak equivalence principle, and contrast its validity in mechanics versus field theory. We also discuss its generalisation to a theory of quantum gravity. Our analysis suggests that only the strong equivalence principle can be considered fundamental enough to be generalised to a quantum gravity context since all other flavours of equivalence principle hold only approximately already at the classical level.
Funder
Science Fund of the Republic of Serbia
Fundação para a Ciência e Tecnologia
Instituto de Telecomunicações
Subject
General Physics and Astronomy
Cited by
2 articles.
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