Weak Measurement and Weak Information

Boaz Tamir, Sergei Masis

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Weak measurement devices resemble band pass filters: they strengthen average values in the state space or equivalently filter out some 'frequencies' from the conjugate Fourier transformed vector space. We thereby adjust a principle of classical communication theory for the use in quantum computation. We discuss some of the computational benefits and limitations of such an approach, including complexity analysis, some simple examples and a realistic not-so-weak approach.

Original languageEnglish
Pages (from-to)531-543
Number of pages13
JournalFoundations of Physics
Volume42
Issue number4
DOIs
StatePublished - Apr 2012
Externally publishedYes

Keywords

  • Band pass filters
  • Quantum computation
  • Quantum filters
  • Quantum information
  • Weak measurement

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