Acceleration radiation of an atom freely falling into a Kerr black hole and near-horizon conformal quantum mechanics
Arash Azizi, Horacio E. Camblong, A. Chakraborty, Carlos Ordońẽz, Marlan O. Scully
Abstract
An atom falling freely into a Kerr black hole in a Boulware-like vacuum is shown to emit radiation with a Planck spectrum at the Hawking temperature. For a cloud of falling atoms with random initial times, the radiation is thermal. The existence of this radiation is due to the acceleration of the vacuum field modes with respect to the falling atom. Its properties can be traced to the dominant role of conformal quantum mechanics in the neighborhood of the event horizon. We display this effect for a scalar field, though the acceleration radiation has a universal conformal behavior that is exhibited by all fields in the background of generic black holes.
Topics & Concepts
PhysicsHawking radiationEvent horizonBlack hole (networking)Scalar fieldWhite holeAccelerationQuantum electrodynamicsUnruh effectRotating black holeClassical mechanicsQuantum mechanicsQuantumGravitational collapseEvent (particle physics)Angular momentumEntropy (arrow of time)Computer scienceRouting protocolComputer networkRouting (electronic design automation)Link-state routing protocolQuantum Electrodynamics and Casimir EffectCosmology and Gravitation TheoriesBlack Holes and Theoretical Physics