Browsing by Subject "Qutrit"

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    Multipole radiation in quantum domain
    (Springer, 2003) Shumovsky, Alexander S.; Can, M. Ali; Soykal, Öney; Shumovsky, Alexander S.; Rupasov, V. I.
    We review recent results based on the application of spherical wave representation to description of quantum properties of multipole radiation generated by atomic transitions. In particular, the angular momentum Angular momentum of photons including the angular momentum entanglement, the quantum phase of photons, and the spatial properties of polarization are discussed.
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    ItemOpen Access
    Single-particle entanglement
    (Institute of Physics Publishing Ltd., 2005) Can, M. A.; Klyachko, A.; Shumovsky, A.
    Using the approach to quantum entanglement based on the quantum fluctuations of observables, we show the existence of perfect entangled states of a single 'spin-1' particle. We give physical examples related to photons and condensed matter physics. © 2005 IOP Publishing Ltd.