Back reaction effects in black hole spacetimes

Details Back reaction effects in black hole spacetimes Back reaction effects in black hole spacetimes

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phlb..212..411l&link_type=abstract

Physics Letters B, Volume 212, Issue 4, p. 411-414.

Physics

42

Scientific paper

We solve the semiclassical Einstein equations for the static spherically symmetric case. Using expressions for the renormalized μv>, we study the effects of the back reaction on black hole spacetimes at the one-loop level. Two different situtaions appear depending on the graviton-matter balance. If matter is relevant, the temperature is increased and thus the lifetime decreased from their standard values TH=1/8πMand τH=CM3. If the graviton is dominant T is smaller than TH and more important, it can have a maximum at M~Mp and then go to zero. The connection with string theory is discussed.
UA336 Laboratoire associé au CNRS, Observatoire de Meudon et Ecole Normale Supérieure.

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