Eur. Phys. J. H 36, 63–74 (2011)
https://doi.org/10.1140/epjh/e2011-10035-2

Feynman’s interpretation of quantum theory^*

Universität Heidelberg, Heidelberg, Germany

^a e-mail: zeh@uni-heidelberg.de
Postal address: Gaiberger Str. 38, 69151 Waldhilsbach, Germany

Received: 26 September 2010
Received in final form: 10 May 2011
Published online: 10 June 2011

Abstract

A historically important but little known debate regarding the necessity and meaning of macroscopic superpositions, in particular those containing different gravitational fields, is reviewed and discussed from a modern perspective.