Quantum machine learning for chemistry and physics

M Sajjan, J Li, R Selvarajan, SH Sureshbabu… - Chemical Society …, 2022 - pubs.rsc.org
Machine learning (ML) has emerged as a formidable force for identifying hidden but
pertinent patterns within a given data set with the objective of subsequent generation of …

Developments in the tensor network—from statistical mechanics to quantum entanglement

K Okunishi, T Nishino, H Ueda - Journal of the Physical Society of …, 2022 - journals.jps.jp
Tensor networks (TNs) have become one of the most essential building blocks for various
fields of theoretical physics such as condensed matter theory, statistical mechanics …

Does provable absence of barren plateaus imply classical simulability? or, why we need to rethink variational quantum computing

M Cerezo, M Larocca, D García-Martín, NL Diaz… - arxiv preprint arxiv …, 2023 - arxiv.org
A large amount of effort has recently been put into understanding the barren plateau
phenomenon. In this perspective article, we face the increasingly loud elephant in the room …

Synergistic pretraining of parametrized quantum circuits via tensor networks

MS Rudolph, J Miller, D Motlagh, J Chen… - Nature …, 2023 - nature.com
Parametrized quantum circuits (PQCs) represent a promising framework for using present-
day quantum hardware to solve diverse problems in materials science, quantum chemistry …

Preparation of matrix product states with log-depth quantum circuits

D Malz, G Styliaris, ZY Wei, JI Cirac - Physical Review Letters, 2024 - APS
We consider the preparation of matrix product states (MPS) on quantum devices via
quantum circuits of local gates. We first prove that faithfully preparing translation-invariant …

Absence of barren plateaus in finite local-depth circuits with long-range entanglement

HK Zhang, S Liu, SX Zhang - Physical Review Letters, 2024 - APS
Ground state preparation is classically intractable for general Hamiltonians. On quantum
devices, shallow parametrized circuits can be effectively trained to obtain short-range …

Towards adiabatic quantum computing using compressed quantum circuits

C Mc Keever, M Lubasch - PRX Quantum, 2024 - APS
We describe tensor network algorithms to optimize quantum circuits for adiabatic quantum
computing. To suppress diabatic transitions, we include counterdiabatic driving in the …

Initial state preparation for quantum chemistry on quantum computers

S Fomichev, K Hejazi, MS Zini, M Kiser, J Fraxanet… - PRX Quantum, 2024 - APS
Quantum algorithms for ground-state energy estimation of chemical systems require a high-
quality initial state. However, initial state preparation is commonly either neglected entirely …

Constant-depth preparation of matrix product states with adaptive quantum circuits

KC Smith, A Khan, BK Clark, SM Girvin, TC Wei - PRX Quantum, 2024 - APS
Adaptive quantum circuits, which combine local unitary gates, midcircuit measurements, and
feedforward operations, have recently emerged as a promising avenue for efficient state …

Variational quantum reinforcement learning via evolutionary optimization

SYC Chen, CM Huang, CW Hsing… - Machine Learning …, 2022 - iopscience.iop.org
Recent advances in classical reinforcement learning (RL) and quantum computation point to
a promising direction for performing RL on a quantum computer. However, potential …