The accelerated observer and quantum effects
Roberto Casadio, Giovanni Venturi
Abstract
An extended monopole detector at constant acceleration coupled to a massless scalar field is allowed to evolve quantum mechanically. It is found that while in the classical, followed by the point particle, limit the usual result Unruh effect is recovered, in the point particle (before the classical) limit the detector decouples from the scalar field and therefore the effect disappears.
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