Exponential Decay and Ionization Thresholds in Non-Relativistic Quantum Electrodynamics

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dc.creatorGriesemer, Marcel
dc.date2002-06-17
dc.date2003-06-27
dc.date.accessioned2026-07-07T04:29:15Z
dc.date.available2026-07-07T04:29:15Z
dc.descriptionSpatial localization of the electrons of an atom or molecule is studied in models of non-relativistic matter coupled to quantized radiation. We give two definitions of the ionization threshold. One in terms of spectral data of cluster Hamiltonians, and one in terms of minimal energies of non-localized states. We show that these two definitions agree, and that the electrons described by a state with energy below the ionization threshold are localized in a small neighborhood of the nuclei with a probability that approaches 1 exponentially fast with increasing radius of the neighborhood. The latter result is derived from a new, general result on exponential decay tailored to fit our problem, but applicable to many non-relativistic quantum systems outside quantum electrodynamics as well.
dc.description18 pages, revised version, small inaccuracies corrected
dc.identifierhttps://arxiv.org/abs/math-ph/0206024
dc.identifierhttp://arxiv.org/abs/math-ph/0206024
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/57086
dc.subjectMathematical Physics
dc.subjectFunctional Analysis
dc.subject81V10; 81Q10
dc.titleExponential Decay and Ionization Thresholds in Non-Relativistic Quantum Electrodynamics
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