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          Institute: MPI für Kernphysik     Collection: Theoretical Quantum Dynamics     Display Documents



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ID: 204881.0, MPI für Kernphysik / Theoretical Quantum Dynamics
Nonrelativistic QED Approach to the Bound-Electron g Factor
Authors:Pachucki, Krzysztof; Jentschura, Ulrich David; Yerokhin, Vladimir A.
Research Context:Nonrelativistic QED Approach to the Bound-Electron g Factor
Date of Publication (YYYY-MM-DD):2004-10-06
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys. Rev. Lett.
Volume:93
Issue / Number:15
Sequence Number of Article:150401
Copyright:©2004 The American Physical Society
Review Status:not specified
Audience:Experts Only
Abstract / Description:Within a systematic approach based on nonrelativistic quantum electrodynamics, we derive the one-loop self-energy correction of order alpha(Zalpha)4 to the bound-electron g factor. In combination with numerical data, this analytic result improves theoretical predictions for the self-energy correction for carbon and oxygen by an order of magnitude. Basing on one-loop calculations, we obtain the logarithmic two-loop contribution of order alpha2(Zalpha)4ln[(Zalpha)–2] and the dominant part of the corresponding constant term. The results obtained improve the accuracy of the theoretical predictions for the 1S bound-electron g factor and influence the value of the electron mass determined from g-factor measurements.
External Publication Status:published
Document Type:Article
Communicated by:C.H. Keitel
Affiliations:MPI für Kernphysik/ Group C.H. Keitel/Quantum Electrodynamics and High Precision Theory (U. D. Jentschura)
External Affiliations:Institute of Theoretical Physics, Warsaw University, ul. Hoza 69, 00-681 Warsaw, Poland
Physics Department, St. Petersburg State University, Oulianovskaya 1, Petrodvorets, St. Petersburg 198504, Russia
Identifiers:URL:http://link.aps.org/abstract/PRL/v93/e150401
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