International Journal of Theoretical Physics

, Volume 54, Issue 6, pp 2042–2067 | Cite as

Macroscopic Observability of Spinorial Sign Changes under 2π Rotations



The question of observability of sign changes under 2π rotations is considered. It is shown that in certain circumstances there are observable consequences of such sign changes in classical physics. A macroscopic experiment is proposed which could in principle detect the 4π periodicity of rotations.


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© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Wolfson CollegeUniversity of OxfordOxfordUK

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