Variational Power of Quantum Circuit Tensor Networks

We characterize the variational power of quantum circuit tensor networks in the representation of physical many-body ground states. Such tensor networks are formed by replacing the dense block unitaries and isometries in standard tensor networks by local quantum circuits. We explore both quantum cir...

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Bibliographic Details
Published in:Physical review. X 2022-03, Vol.12 (1), p.011047, Article 011047
Main Authors: Haghshenas, Reza, Gray, Johnnie, Potter, Andrew C., Chan, Garnet Kin-Lic
Format: Article
Language:English
Subjects:
Accuracy
Algorithms
Circuits
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Electrons
Ground state
Mathematical models
Networks
Parameters
Polynomials
quantum computation
Quantum computers
Quantum computing
Quantum entanglement
quantum simulation
Representations
Simulation
tensor network methods
Tensors
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