Quantum metrology using quantum combs and tensor network formalism

Quantum metrology using quantum combs and tensor network formalism

We develop an efficient algorithm for determining optimal adaptive quantum estimation protocols with arbitrary quantum control operations between subsequent uses of a probed channel.We introduce a tensor network representation of an estimation strategy, which drastically reduces the time and memory...

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Bibliographic Details
Main Authors: Stanisław Kurdziałek, Piotr Dulian, Joanna Majsak, Sagnik Chakraborty, Rafał Demkowicz-Dobrzański
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:New Journal of Physics
Subjects:
quantum metrology
quantum Fisher information
quantum combs
quantum processes
tensor networks
correlated noise
Online Access:https://doi.org/10.1088/1367-2630/ada8d1
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