Packet narrowing and quantum entanglement in photoionization and photodissociation

Journal Article · Sat May 01 04:00:00 EDT 2004 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.69.052117· OSTI ID:20641112

Fedorov, M V; Efremov, M A; Kazakov, A E ^[1]; Chan, K W; Eberly, J H ^[2]; Law, C K ^[3]

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1. General Physics Institute, Russian Academy of Sciences, 38 Vavilov Street, Moscow 119991 (Russian Federation)
2. Center for Quantum Information and Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627 (United States)
3. Department of Physics, Chinese University of Hong Kong, NT, Hong Kong (China)

The narrowing of electron and ion wave packets in the process of photoionization is investigated, with the electron-ion recoil taken fully into account. Packet localization of this type is directly related to entanglement in the joint quantum state of the electron and ion, and to Einstein-Podolsky-Rosen localization. Experimental observation of such packet-narrowing effects is suggested via coincidence registration by two detectors, with a fixed position of one and varying position of the other. A similar effect, typically with an enhanced degree of entanglement, is shown to occur in the case of photodissociation of molecules.

• OSTI ID: 20641112
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 5 Vol. 69; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
74 ATOMIC AND MOLECULAR PHYSICS
CORRELATIONS
ELECTRONS
ENERGY LEVELS
ION WAVES
IONS
MOLECULES
PHOTOIONIZATION
QUANTUM MECHANICS
RECOILS