Riemannian optimization of isometric tensor networks

Several tensor networks are built of isometric tensors, i.e. tensors satisfying $W^\dagger W = \mathrm{I}$. Prominent examples include matrix product states (MPS) in canonical form, the multiscale entanglement renormalization ansatz (MERA), and quantum circuits in general, such as those needed in st...

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Bibliographic Details
Main Author: Markus Hauru, Maarten Van Damme, Jutho Haegeman
Format: Article
Language:English
Published: SciPost 2021-02-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.10.2.040