Analysis of counterfactuality of counterfactual communication protocols

Lev Vaidman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Counterfactual communication, i.e., a communication without particles traveling in the transmission channel, is a bizarre quantum effect. Starting from interaction-free measurements many protocols achieving various tasks from counterfactual cryptography to counterfactual transfer of quantum states were proposed and implemented in experiments. However, the meaning of conterfactuality in various protocols remains a controversial topic. A simple error-free counterfactual protocol is proposed. This protocol and its modification are used as a test bed for analysis of the meaning of counterfactuality to clarify the counterfactuality status of various counterfactual proposals.

Original languageEnglish
Article number052127
JournalPhysical Review A
Volume99
Issue number5
DOIs
StatePublished - 29 May 2019

Funding

FundersFunder number
Israel Science Foundation1311/14

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