Gauging tensor networks with belief propagation

J Tindall, M Fishman - SciPost Physics, 2023 - scipost.org
Effectively compressing and optimizing tensor networks requires reliable methods for fixing
the latent degrees of freedom of the tensors, known as the gauge. Here we introduce a new …

Survey on Computational Applications of Tensor-Network Simulations

MD García, AM Romero - IEEE Access, 2024 - ieeexplore.ieee.org
Tensor networks are a popular and computationally efficient approach to simulate general
quantum systems on classical computers and, in a broader sense, a framework for dealing …

Simulating the quantum Fourier transform, Grover's algorithm, and the quantum counting algorithm with limited entanglement using tensor networks

M Niedermeier, JL Lado, C Flindt - Physical Review Research, 2024 - APS
Quantum algorithms reformulate computational problems as quantum evolutions in a large
Hilbert space. Most quantum algorithms assume that the time evolution is perfectly unitary …

Optimal tree tensor network operators for tensor network simulations: Applications to open quantum systems

W Li, J Ren, H Yang, H Wang, Z Shuai - The Journal of Chemical …, 2024 - pubs.aip.org
Tree tensor network states (TTNS) decompose the system wavefunction to the product of low-
rank tensors based on the tree topology, serving as the foundation of the multi-layer multi …

Tree tensor network state approach for solving hierarchical equations of motion

Y Ke - The Journal of Chemical Physics, 2023 - pubs.aip.org
The hierarchical equations of motion (HEOM) method is a numerically exact open quantum
system dynamics approach. The method is rooted in an exponential expansion of the bath …

Automatic structural optimization of tree tensor networks

T Hikihara, H Ueda, K Okunishi, K Harada… - Physical Review …, 2023 - APS
The tree tensor network (TTN) provides an essential theoretical framework for the practical
simulation of quantum many-body systems, where the network structure defined by the …

Automated reasoning in quantum circuit compilation

D Thanos, A Villoria, S Brand, AJ Quist, J Mei… - … Symposium on Model …, 2024 - Springer
Automated reasoning techniques have been proven of immense importance in classical
applications like formal verification, circuit design and probabilistic inference. The domain of …

Approximate contraction of arbitrary tensor networks with a flexible and efficient density matrix algorithm

L Ma, M Fishman, EM Stoudenmire, E Solomonik - Quantum, 2024 - quantum-journal.org
Tensor network contractions are widely used in statistical physics, quantum computing, and
computer science. We introduce a method to efficiently approximate tensor network …

Entanglement bipartitioning and tree tensor networks

K Okunishi, H Ueda, T Nishino - Progress of Theoretical and …, 2023 - academic.oup.com
We propose the entanglement bipartitioning approach to design an optimal network
structure of the tree tensor network (TTN) for quantum many-body systems. Given an exact …

Tensor networks for -spin models

B Lanthier, J Côté, S Kourtis - Frontiers in Physics, 2024 - frontiersin.org
We introduce a tensor network algorithm for the solution of p-spin models. We show that
bond compression through rank-revealing decompositions performed during the tensor …