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- W2395571825 abstract "We study quantum gravity signatures emerging from phenomenologically motivated multiscale models, spectral actions, and Causal Set Theory within the detector approach to the Unruh effect. We show that while the Unruh temperature is unaffected, Lorentz-invariant corrections to the two-point function leave a characteristic fingerprint in the induced emission rate of the accelerated detector. Generically, quantum gravity models exhibiting dynamical dimensional reduction exhibit a suppression of the Unruh rate at high energy while the rate is enhanced in Kaluza-Klein theories with compact extra dimensions. We quantify this behavior by introducing the Unruh dimension as the effective spacetime dimension seen by the Unruh effect and show that it is related, though not identical, to the spectral dimension used to characterize spacetime in quantum gravity. We comment on the physical origins of these effects and their relevance for black hole evaporation." @default.
- W2395571825 created "2016-06-24" @default.
- W2395571825 creator A5006785370 @default.
- W2395571825 creator A5017631436 @default.
- W2395571825 creator A5017830412 @default.
- W2395571825 creator A5087347706 @default.
- W2395571825 date "2016-11-28" @default.
- W2395571825 modified "2023-10-13" @default.
- W2395571825 title "Quantum gravity signatures in the Unruh effect" @default.
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