QED effective action in time dependent electric backgrounds
β Scribed by Dunne, Gerald; Hall, Theodore
- Book ID
- 111870100
- Publisher
- The American Physical Society
- Year
- 1998
- Tongue
- English
- Weight
- 262 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1550-7998
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π SIMILAR VOLUMES
## Abstract We review the construction of timeβdependent backgrounds with spaceβlike singularities. We mainly consider exact CFT backgrounds. The algebraic and geometric aspects of these backgrounds are discussed. Physical issues, results and difficulties associated with such systems are reviewed.
We study the electrical conductivity in QED using the resummed 3PI effective action to 3loop order. The resulting expression for the conductivity is explicitly gauge invariant, and the integral equations that resum the pinching and collinear contributions are produced naturally by the formalism. All