Abstract
Phase singularities exist in physical systems which can be described by a wave equation. Along a closed path C, the phase change is 2πm where m = ..−1, 0, +1, +2,.. is the winding number. For the case m ≠ 0 the path C encloses at least one phase singularity[l].
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© 1999 Springer Science+Business Media Dordrecht
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Mair, A., Zeilinger, A. (1999). Entangled States of Orbital Angular Momentum of Photons. In: Greenberger, D., Reiter, W.L., Zeilinger, A. (eds) Epistemological and Experimental Perspectives on Quantum Physics. Vienna Circle Institute Yearbook [1999], vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1454-9_24
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DOI: https://doi.org/10.1007/978-94-017-1454-9_24
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