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gr-qc2011★ 22 cited
Scalar effective action in Krein space quantization
A. Refaei, M V. Takook
In this paper, the λϕ^4 scalar feld effective action, in the one-loop approximation, is calculated by using the Krein space quantization. We show that the effective action is natur…
gr-qc2011★ 26 cited
QED effective action in Krein space quantization
A. Refaei, M. V. Takook
The one-loop effective action of QED is calculated by the Schwinger method in Krein space quantization. We show that the effective action is naturally fnite and regularized. It als…