Fotonların içsel dolaşıklığı

Multipole radiation is treated both classically and also quantum mechanically.Dipole atom as a source of radiation is investigated within the Jaynes-Cummingsmodel. Polarization properties of quantum multipole radiation are given. It isshown that multipole photons have all three components of polarization but wecan perform a local transformation of radiation frame such that the new z− axiscorresponding to linear polarization becomes parallel to the Poynting vector. Itis shown that the spin angular momentum and orbital angular momentum havethe same operator structure, and in the far zone, they contribute equally tothe total angular momentum. Hence in this regime, these two contributions areindistinguishable and they may differ from each other only by spatial dependencein the very vicinity of the source. Another aspect of the behavior in the far zoneis that the longitudinal polarization of multipole photons vanish.A variational approach to entanglement which is introduced recently based onanalysis of dynamic symmetry of systems and quantum uncertainties, accompa-nying the measurement of mean value of basic observables is applied to investigatethe intrinsic entanglement of electric dipole photons. The basic observables aredefined in terms of an orthogonal basis of Lie Algebra, corresponding to the dy-namic symmetry group of the system of interest. It is shown that electric dipolephotons can carry entanglement with respect to its intrinsic degrees of freedom,namely the spin angular momentum and orbital angular momentum, each ofwhich may be considered as a qubit.Keywords: Quantum Optics, Quantum Multipole Radiation, Spin Angular Mo-mentum, Orbital Angular Momentum, Quantum Entanglement.iii