Quantum complementarity of clocks in the context of general relativity

Zhifan Zhou, Yair Margalit, Daniel Rohrlich, Yonathan Japha, Ron Folman

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Clocks play a special role at the interface of general relativity and quantum mechanics. We analyze a clock-interferometry thought experiment and go on to theoretically derive and experimentally test a complementarity relation for quantum clocks in the context of the gravitational time lag. The effect of time lag is simulated using a magnetic gradient. We study this relation in detail and discuss its application to various types of quantum clocks.

Original languageEnglish
Article number185003
JournalClassical and Quantum Gravity
Issue number18
StatePublished - 13 Aug 2018


  • clock interferometry
  • complementarity and gravity
  • gravitational time dilation
  • quantum gravity and proper time
  • relativistic complementarity
  • self-interfering quantum clocks

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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