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De Albuquerque, Luiz C.; Farina, Carlos; Rabello, Silvio J.; Vaidya, Arvind N.

On the physical interpretation of effective actions using Schwinger’s formula. (English) Zbl 0833.47057

Lett. Math. Phys. 34, No. 4, 373-377 (1995).
Summary: We show explicitly that Schwinger’s formula for one-loop effective actions corresponds to the summation of energies associated with the zero-point oscillations of the fields. We begin with a formal proof and after that we confirm it using a regularization prescription.

Cited in 2 Documents

MSC:

47N50 Applications of operator theory in the physical sciences
81V10 Electromagnetic interaction; quantum electrodynamics
33D10 Basic theta functions (MSC1991)

Keywords:

Schwinger’s formula for one-loop effective actions; summation of energies associated with the zero-point oscillations; regularization prescription
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References:

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