Journal
PHYSICAL REVIEW A
Volume 83, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.83.040101
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Funding
- AI-TF New Faculty
- NSERC
- European project Q-ESSENCE
- European project EMALI
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Weak measurements in combination with postselection can give rise to a striking amplification effect (related to a large weak value). We show that this effect can be understood by viewing the initial state of the pointer as the ground state of a fictional harmonic oscillator. This perspective clarifies the relationship between the weak-value regime and other measurement techniques and inspires a proposal to implement fully quantum weak-value measurements combining photons and atomic ensembles.
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