PIRSA:14100073 Scientific Series Quantum Foundations

DOI10.48660/14100073

Series: Quantum Foundations

Brodutch, A. (2014). Non local weak measurements. Perimeter Institute. https://pirsa.org/14100073

Brodutch, Aharon. Non local weak measurements. Perimeter Institute, Oct. 07, 2014, https://pirsa.org/14100073 

@misc{ pirsa_PIRSA:14100073,
  doi = {10.48660/14100073},
  url = {https://pirsa.org/14100073},
  author = {Brodutch, Aharon},
  keywords = {Quantum Foundations},
  language = {en},
  title = {Non local weak measurements},
  publisher = {Perimeter Institute},
  year = {2014},
  month = {oct},
  note = {PIRSA:14100073 see, \url{https://pirsa.org}}
}

Abstract

Weak measurement is increasingly acknowledged as an important theoretical and experimental tool. Weak values- the results of weak measurements- are often used to understand seemingly paradoxical quantum behavior. Until now however, it was not known how to perform a weak non-local measurement of a general operator. Such a procedure is necessary if we are to take the associated `weak values' seriously as a physical quantity. We propose a novel scheme for performing non-local weak measurement which is based on the principle of quantum erasure. This method can be used for a large class of observables including those related to Hardy's paradox.

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