The ITensor software library for tensor network calculations

M Fishman, S White, EM Stoudenmire - SciPost Physics Codebases, 2022 - scipost.org
ITensor is a system for programming tensor network calculations with an interface modeled
on tensor diagram notation, which allows users to focus on the connectivity of a tensor …

Classical shadow tomography with locally scrambled quantum dynamics

HY Hu, S Choi, YZ You - Physical Review Research, 2023 - APS
We generalize the classical shadow tomography scheme to a broad class of finite-depth or
finite-time local unitary ensembles, known as locally scrambled quantum dynamics, where …

Scalable and flexible classical shadow tomography with tensor networks

AA Akhtar, HY Hu, YZ You - Quantum, 2023 - quantum-journal.org
Classical shadow tomography is a powerful randomized measurement protocol for
predicting many properties of a quantum state with few measurements. Two classical …

Tensor networks for quantum machine learning

HM Rieser, F Köster, AP Raulf - Proceedings of the …, 2023 - royalsocietypublishing.org
Once developed for quantum theory, tensor networks (TNs) have been established as a
successful machine learning (ML) paradigm. Now, they have been ported back to the …

Scalable simulation of nonequilibrium quantum dynamics via classically optimized unitary circuits

L Causer, F Jung, A Mitra, F Pollmann… - Physical Review …, 2024 - APS
The advent of near-term digital quantum computers could offer us an exciting opportunity to
investigate quantum many-body phenomena beyond that of classical computing. To make …

Variational quantum eigensolver with embedded entanglement using a tensor-network ansatz

R Watanabe, K Fujii, H Ueda - Physical Review Research, 2024 - APS
In this paper, we introduce a tensor network (TN) scheme into the entanglement
augmentation process of the synergistic optimization framework by Rudolph et al.[arxiv …

Riemannian quantum circuit optimization for Hamiltonian simulation

A Kotil, R Banerjee, Q Huang… - Journal of Physics A …, 2024 - iopscience.iop.org
Hamiltonian simulation, ie simulating the real time evolution of a target quantum system, is a
natural application of quantum computing. Trotter-Suzuki splitting methods can generate …

Automatic structural search of tensor network states including entanglement renormalization

R Watanabe, H Ueda - Physical Review Research, 2024 - APS
Tensor network (TN) states, including entanglement renormalization (ER), can encompass a
wider variety of entangled states. When the entanglement structure of the quantum state of …

Entangled embedding variational quantum eigensolver with tensor network ansatz

R Watanabe, K Fujii, H Ueda - arxiv preprint arxiv:2305.06536, 2023 - arxiv.org
In this paper, we introduce a tensor network (TN) scheme into the entanglement
augmentation process of the synergistic optimization framework [arxiv: 2208.13673] by …

Fermion Encodings and Algorithms for Quantum Simulation

RW Chien - 2023 - search.proquest.com
The study of the properties of quantum mechanical systems of many particles occupies a
central role in condensed matter physics, high-energy physics, and quantum chemistry. In …