Superpositions of time evolutions of a quantum system and a quantum time-translation machine

Yakir Aharonov, Jeeva Anandan, Sandu Popescu, Lev Vaidman

Research output: Contribution to journalArticlepeer-review

Abstract

A method to obtain a superposition of time evolutions of a quantum system which correspond to different Hamiltonians as well as to different periods of time is derived. Its application to amplification of an effect due to the action of weak forces is considered. A quantum time-translation machine based on the same principle, utilizing the gravitational field, is also considered.

Original languageEnglish
Pages (from-to)2965-2968
Number of pages4
JournalPhysical Review Letters
Volume64
Issue number25
DOIs
StatePublished - 1990

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