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quant-ph2020
Riemannian optimization of isometric tensor networks
Markus Hauru, Maarten Van Damme, Jutho Haegeman
Several tensor networks are built of isometric tensors, i.e. tensors satisfying . Prominent examples include matrix product states (MPS) in canonical form…
quant-ph2018
Uhlmann fidelities from tensor networks
Markus Hauru, Guifre Vidal
Given two states and of a quantum many-body system, one may use the overlap or fidelity to quantify how similar they are. To further r…