Spontaneous emission of a photon: Wave-packet structures and atom-photon entanglement
作者： M. V. Fedorov , M. A. Efremov , A. E. Kazakov , K. W. Chan , C. K. Law
DOI: 10.1103/PHYSREVA.72.032110
关键词: Photon 、 Spontaneous emission 、 Photon entanglement 、 Physics 、 Quantum entanglement 、 Atom 、 Quantum mechanics 、 Wave packet 、 Momentum 、 Wave function
摘要: Spontaneous emission of a photon by an atom is described theoretically in three dimensions with the initial wave function finite-mass taken form finite-size packet. Recoil and wave-packet spreading are into account. The total atom-photon found momentum coordinate representations as solution initial-value problem. entanglement arising such process shown to be closely related structure packets which can measured coincidence single-particle schemes measurements. Two predicted effects, under conditions high entanglement, anomalous narrowing and, different conditions, broadening packets. Fundamental symmetry relations between widths established. relationship famous scenario Einstein-Podolsky-Rosen discussed.
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