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Quantum Electrodynamics

with Unstable Vacuum
BuchKartoniert, Paperback
288 Seiten
Englisch
Springererschienen am27.12.2011
This book contains a systematic analysis of the formalisms of quantum electro­ dynamics in the presence of an intense external field able to create pairs from the vacuum, and thereby violate the stability of the latter.mehr

Produkt

KlappentextThis book contains a systematic analysis of the formalisms of quantum electro­ dynamics in the presence of an intense external field able to create pairs from the vacuum, and thereby violate the stability of the latter.
Details
ISBN/GTIN978-3-642-84260-3
ProduktartBuch
EinbandartKartoniert, Paperback
Verlag
Erscheinungsjahr2011
Erscheinungsdatum27.12.2011
ReiheSpringer Series in Nuclear and Particle Physics
Seiten288 Seiten
SpracheEnglisch
IllustrationenIX, 288 p.
Artikel-Nr.18233805

Inhalt/Kritik

Inhaltsverzeichnis
1 Introduction.- 1.1 General Introduction and Definition of Notation.- 1.2 Quantum Electrodynamics with an External Field.- 2 Scattering Processes in Which Interactions with the External Field are Taken into Account Exactly.- 2.1 The Quantized Charged Field in an External Electromagnetic Field.- 2.2 Perturbation Expansion in the Radiative Interaction in QED with an External Field.- 2.3 Green´s Functions. The Generating Functional.- 2.4 Appendix. Extension of the Normal-Ordering Process to Theories with an Unstable Vacuum.- 3 Expectation Values.- 3.1 Green´s Functions for the Calculation of Expectation Values.- 3.2 Perturbations in Powers of Radiative Interaction for Expectation Values.- 3.3 Equation for the Average Electromagnetic Field. Effective Action.- 3.4 Density Matrix of Particles Created by an External Field.- 4 Total Probabilities of Radiative Processes in an External Field.- 4.1 Total Irradiation Probability.- 4.2 Unitarity Relation and the Optical Theorem.- 4.3 Generating Functional for the Total Probabilities of Radiation Processes.- 4.4 Decay Probability of States.- 5 Calculations of Zero-Order Processes in External Electromagnetic Fields.- 5.1 Processes in an Electric Field.- 5.2 A Constant Field Combined with that of a Plane Wave.- 5.3 Creation of Particles from the Vacuum in Coherent States.- 5.4 Calculation of the Density Matrix for Particles Created in an External Field.- 6 Propagators of Particles in External Electromagnetic Fields.- 6.1 Introduction.- 6.2 Determination of Propagators by Summing Solutions of the Relativistic Wave Equations.- 6.3 Schwinger´s Proper-Time Method.- 6.4 Calculation of the Green´s Functions by the Functional Integration Method.- 7 Calculations of Radiative Processes in External Electromagnetic Fields.- 7.1 EffectiveAction in the One-Loop Approximation.- 7.2 Vacuum Processes.- 7.3 Processes with an Electron in the Initial State. Mass Operator.- 7.4 Radiative Processes with a Photon in the Initial State. Polarization Operator.- 8 Green´s Function in Non-Abelian Theories.- 8.1 Introduction.- 8.2 Calculation of Green´s Functions by the Functional Integration Method.- 8.3 Calculation of Green´s Functions in an Abelian-like External Field.- References.mehr