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MEASUREMENT OF THE THERMAL SPECTRUM OF HAWKING RADIATION FROM AN ANALOG HORIZON
/ Jean MOUETTE
/ 14-06-2011
/ Canal-u.fr
UNRUH Bill
Voir le résumé
Voir le résumé
Hawking predicted that black holes should radiate
thermal radiation, the temperature being a function solely of the
geometry near the horizon of the black hole. The same arguments show
that one would also expect thermal radiation from other horizons, like
the sonic horizon formed in a trans-sonic flow, or the horizon to fluid
surface gravity waves formed by a blocking flow.
This talk will discuss the phenomenon of black hole thermal
emission, problems with its derivation, the ubiquity of such thermal
emission by horizons, and the measurements made in the past year of the
thermal spectrum of such radiation from a horizon for surface water
waves in a flume. Mot(s) clés libre(s) : Black holes, Hawking, Gravity
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