Non-minimal coupling, negative null energy, and effective field theory
By Eleni-Alexandra Kontou
Appears in collections : Damour Fest: Adventures in Gravitation, Fields medallists - 1990
For a variety of reasons, it seems necessary to consider complex saddle points in the "Euclidean'' approach to black hole thermodynamics. But what class of complex saddle points is physically sensible? That will be the subject of this talk.