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Ideal clocks - a convenient fiction

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arxiv 1503.01025 v2 pith:TDNZSXHS submitted 2015-03-03 quant-ph gr-qc

classification quant-phgr-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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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Enhancement and Suppression of Decay Rates in an Accelerated Fermionic Cavity Coupled to a Massive Field

    gr-qc 2025-10 reject novelty 6.0 of 10

    For a uniformly accelerated fermionic cavity coupled to a light massive field, the predicted decay-rate ratio is Γ_acc/Γ_in = al/ln(1+al), a geometric enhancement of up to tens of percent; heavy fields instead give ex...

  2. Comment on "Ideal clocks -- a convenient fiction" by K. Lorek et al

    quant-ph 2026-06 unverdicted novelty 2.0 of 10

    Corrects an unphysical cross-wedge term in the decay probability formula for a uniformly accelerated quantum clock from Lorek et al. 2015 by retaining only causally consistent thermal terms.

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