Chapter

Renormalization group and problem of radiation

Israel Michael Sigal

in Quantum Theory from Small to Large Scales

Published in print May 2012 | ISBN: 9780199652495
Published online September 2012 | e-ISBN: 9780191741203 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199652495.003.0012

Series: Lecture Notes of the Les Houches Summer School

Renormalization group and problem of radiation

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The standard model of non-relativistic quantum electrodynamics describes non-relativistic quantum matter, such as atoms and molecules, coupled to the quantized electromagnetic field. Within this model, this chapter reviews basic notions, results, and techniques in theory radiation. It describes the key technique in this area — the spectral renormalization group. The review is based on joint works with Volker Bach and Jürg Fröhlich and with Walid Abou Salem, Thomas Chen, Jérémy Faupin, and Marcel Griesemer. A brief discussion of related contributions is given at the end of these lectures.

Keywords: quantum electrodynamics; radiation; renormalization group; resonances; complex deformations

Chapter.  17466 words.  Illustrated.

Subjects: Atomic, Molecular, and Optical Physics

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