Hadamard states on spherically symmetric characteristic surfaces, the semi-classical Einstein equations and the Hawking effect

We investigate quasi-free Hadamard states defined via characteristic initial data on null cones centred at the axis of symmetry in spherically symmetric space-times. We characterize the necessary singular behaviour of null boundary two-point functions such that one can define non-linear observables...

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Veröffentlicht in:	Classical and quantum gravity 2023-02, Vol.40 (4), p.45002
Hauptverfasser:	Janssen, Daan W, Verch, Rainer
Format:	Artikel
Sprache:	eng
Schlagworte:	black holes Hadamard states quantum fields on curved space-times semi-classical gravity
Online-Zugang:	Volltext
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