“Interaction” (energy exchange) free and quantum nondemolition measurements

Anders Karlsson, Gunnar Björk, Erik Forsberg

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

We analyze “interaction” (energy exchange) free measurements on classical and quantum objects. We show the transition from a classical “interaction free” measurement to a quantum nondemolition measurement of atom number, and discuss the mechanism of the enforcement of complementarity in atom interferometric interaction free measurements.

Original languageEnglish
Pages (from-to)1198-1201
Number of pages4
JournalPhysical Review Letters
Volume80
Issue number6
DOIs
StatePublished - 1998
Externally publishedYes

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