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Ideal clocks - a convenient fiction

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Referee this paper: arXiv:1503.01025 by Krzysztof Lorek, Jorma Louko, (show more)

Please use comments to point to previous work in this direction, and reviews to referee the accuracy of the paper. Feel free to edit this submission to summarise the paper (just click on edit, your summary will then appear under the horizontal line)

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Summary suggestion for the review of Ideal clocks - a convenient fiction

abstract : 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.

The authors derive analytically from a simplest case of a uniform acceleration through the study of a decaying particle in a cavity that the time measured by a clock depends on its acceleration and even more for a general accelerated motion.

They conclude that "All known physical processes and consequently all devices must become sensitive to their accelerations at certain scales and therefore the rate of any physical clock must inevitably differ from the idealized formula" and suggest further (numerical) evaluations of the impact.

requested Nov 10, 2015 by Dilaton (4295 points)
summarized by Dilaton
paper authored Mar 3, 2015 to quant-ph by  (no author on PO assigned yet) 
  • [ revision history ]
    edited Oct 25, 2016 by Dilaton

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