What is it about?

How to understand the curious physics of pre- and postselected ensembles.

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Why is it important?

It leads to optimal amplification, and hence, to optimal settings for parameter estimation. What's wrong with the “weak value”? What does the postselection tell us about quantum entanglement? How does it emerge between interacting qubits? And how does the information flow between them?.


Applications in quantum information processing and metrology.

Aiham Rostom

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This page is a summary of: Optimal Settings for Amplification and Estimation Of Small Effects In Postselected Ensembles, Annalen der Physik, December 2021, Wiley,
DOI: 10.1002/andp.202100434.
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