Physics

Quantum Clocks Observe Classical and Quantum Time Dilation

A. R. H. Smith and M. Ahmadi

This groundbreaking research by Alexander R. H. Smith and Mehdi Ahmadi delves into the mechanics of quantum clocks influenced by curved spacetime, revealing insights about classical time dilation and intriguing quantum corrections. These findings could pave the way for new experimental observations in the realm of relativistic physics.

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Playback language: English

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Abstract

This paper investigates quantum clocks constructed from relativistic particles moving through curved spacetime. It derives the probability of one clock reading a specific proper time given another clock's reading, demonstrating that clocks with localized momentum wave packets observe classical time dilation. A quantum correction to time dilation is identified for clocks in momentum superposition states, potentially observable experimentally. A proper time-energy/mass uncertainty relation is derived using the Helstrom-Holevo lower bound.

Publisher

Nature Communications

Published On

Oct 23, 2020

Authors

Alexander R. H. Smith, Mehdi Ahmadi

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