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Self-Energy
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High Quality Content by WIKIPEDIA articles! In theoretical physics and quantum field theory a particle's self-energy represents the contribution to the particle's energy, or effective mass, due to interactions between the particle and the system it is part of. For example, in electrostatics the self-energy of a given charge distribution is the energy required to assemble the distribution by bringing in the constituent charges from infinity, where the electric force goes to zero. Mathematically, this energy is equal to the so-called on-the-mass-shell value of the proper self-energy operator (or proper mass operator) in the momentum-energy representation (more precisely, to hbar times this value). In this, or other representations (such as the space-time representation), the self-energy is pictorially (and economically) represented by means of Feynman diagrams, such as the one shown below.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130396183
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Sprache Englisch
- Genre Physik & Astronomie
- Größe H220mm x B150mm x T11mm
- Jahr 2010
- EAN 9786130396183
- Format Fachbuch
- ISBN 978-613-0-39618-3
- Titel Self-Energy
- Untertitel Theoretical Physics, Quantum Field Theory, Energy, Effective Mass, Electrostatics, Feynman Diagram, Complex Number, Quasiparticle
- Gewicht 298g
- Herausgeber VDM Verlag Dr. Müller e.K.
- Anzahl Seiten 188
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