Application of a light-front coupled-cluster method to quantum electrodynamics

Sophia Chabysheva

Research output: Contribution to journalConference article

Abstract

A field-theoretic formulation of the exponential-operator technique is applied to a Hamiltonian eigenvalue problem in electrodynamics, quantized in light-front coordinates. Specifically, we consider the dressed-electron state, without positron contributions but with an unlimited number of photons, and compute its anomalous magnetic moment. A simple perturbative solution immediately yields the Schwinger result of a/2p. The nonperturbative solution, which requires numerical techniques, sums a subset of corrections to all orders in a and incorporates additional physics.

Original languageEnglish (US)
JournalProceedings of Science
StatePublished - Dec 1 2012
Event6th International Conference on Quarks and Nuclear Physics, QNP 2012 - Palaiseau, Paris, France
Duration: Apr 16 2012Apr 20 2012

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