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An Evanescent Light Wave Cannot Possess a Transverse Spin
Department of Physics, Shanghai University, Shanghai, China
Department of Physics, Shanghai University, Shanghai, China
- 1 Department of Physics, Shanghai University, Shanghai, China
- 2 Department of Physics, Shanghai University, Shanghai, China
Journal of Modern Physics·Volume 10 (2019)·Pages 459–465·Published 18 March 2019·DOI10.4236/jmp.2019.104031
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Abstract
It is pointed out that the evanescent light wave occurring at total reflection does not possess a transverse spin angular momentum as Bliokh, Bekshaev, and Nori claimed recently in (2014) Nature Communications , 5,3300. This is not only because of the nonlocality of the photon spin but also because the evanescent wave is such a state whose angular momentum cannot be separated into spin and orbital parts.
KeywordsNonexistenceTransverse SpinEvanescent Light Wave
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