Mass renormalization in cavity QED
Journal Article
·
· Physical Review. A
- Department of Physics, University of Kerman, Kerman (Iran, Islamic Republic of)
We show that the presence of a background medium and a boundary surface or surfaces in cavity QED produces no change in the energy shift of a free charged particle due to its coupling to the fluctuating electromagnetic field of the vacuum. This clarifies that the electromagnetic and the observed mass of the charged particle are not affected by the modification of the field of the vacuum. The calculations are nonrelativistic and restricted to the dipole approximation but are otherwise based on the general requirements of causality.
- OSTI ID:
- 21529029
- Journal Information:
- Physical Review. A, Vol. 83, Issue 1; Other Information: DOI: 10.1103/PhysRevA.83.012103; (c) 2011 American Institute of Physics; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CAUSALITY
CHARGED PARTICLES
DIPOLES
ELECTROMAGNETIC FIELDS
MASS RENORMALIZATION
MODIFICATIONS
QUANTUM ELECTRODYNAMICS
SURFACES
ELECTRODYNAMICS
FIELD THEORIES
MULTIPOLES
QUANTUM FIELD THEORY
RENORMALIZATION
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CAUSALITY
CHARGED PARTICLES
DIPOLES
ELECTROMAGNETIC FIELDS
MASS RENORMALIZATION
MODIFICATIONS
QUANTUM ELECTRODYNAMICS
SURFACES
ELECTRODYNAMICS
FIELD THEORIES
MULTIPOLES
QUANTUM FIELD THEORY
RENORMALIZATION