Investigation of Green's functions in an external electromagnetic field by the eigenfunction method
1989
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Abstract: (Springer)
This paper contains a study of Green's functions in a quantum electrodynamics (QED) with an external electromagnetic field that disrupts vacuum stability. Representations are found for the Green's functions of a scalar QED in the eigenfunction basis of Klein-Gordon equations for a uniform constant electromagnetic field in combination with the field of a plane wave.- quantum electrodynamics: external field
- vacuum state
- propagator
- quantum electrodynamics: scalar
- Klein-Gordon equation
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