### 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 language | English (US) |
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Journal | Proceedings of Science |

State | Published - Dec 1 2012 |

Event | 6th International Conference on Quarks and Nuclear Physics, QNP 2012 - Palaiseau, Paris, France Duration: Apr 16 2012 → Apr 20 2012 |

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## Cite this

Chabysheva, S. (2012). Application of a light-front coupled-cluster method to quantum electrodynamics.

*Proceedings of Science*.