Barren plateaus in quantum tensor network optimization

Barren plateaus in quantum tensor network optimization

We analyze the barren plateau phenomenon in the variational optimization of quantum circuits inspired by matrix product states (qMPS), tree tensor networks (qTTN), and the multiscale entanglement renormalization ansatz (qMERA). We consider as the cost function the expectation value of a Hamiltonian...

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Bibliographic Details
Main Authors: Enrique Cervero Martín, Kirill Plekhanov, Michael Lubasch
Format: Article
Language:English
Published: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2023-04-01
Series:Quantum
Online Access:https://quantum-journal.org/papers/q-2023-04-13-974/pdf/

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