Shallow Shadows: Expectation Estimation Using Low-Depth Random Clifford Circuits
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Overview
Syllabus
Intro
The HKP protocol: estimating averages
The HKP protocol: what is needed
The global Cliffords scheme
Shallow shadows
Change in terminology
Storage of classical shadow
The measurement channel: representation
The measurement channel: inversion
Running the protocol
Analytical bound for the locally scrambled shadow norm
Computing the shadow norm
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Centrum Fizyki Teoretycznej PAN