Ideal clocks - a convenient fiction
classification
🪐 quant-ph
gr-qc
keywords
clocksidealquantumratetimeacceleratedaccordingalong
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We show that no device built according to the rules of quantum field theory can measure proper time along its path. Highly accelerated quantum clocks experience the Unruh effect, which inevitably influences their time rate. This contradicts the concept of an ideal clock, whose rate should only depend on the instantaneous velocity.
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Reply to 'Comment on "Ideal clocks -- a convenient fiction'' '
The 2015 de-excitation probability formula is rederived via first-order perturbation theory using only Rindler modes from the cavity's wedge.
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