Conformal transformation of renormalized effective action in curved spacetimes

Details Conformal transformation of renormalized effective action in curved spacetimes Conformal transformation of renormalized effective action in curved spacetimes

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvd..51..579h&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 51, Issue 2, 15 January 1995, pp.579-585

Physics

3

Quantum Field Theory In Curved Spacetime, Renormalization

Scientific paper

The functional-differential equation which governs the conformal transformation of the renormalized effective action for a massless, conformally invariant quantized field is solved exactly. The formula so obtained can be used to obtain the effective action in any background spacetime once there exists a conformally related spacetime in which the effective action is known. A simple example is presented to see how our formula is useful to obtain the renormalized stress tensor in the ζ-functional regularization scheme.

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