Hierarchical Equations of Motion for Quantum Chemical Dynamics: Recent Methodology Developments and Applications

S Bai, S Zhang, C Huang, Q Shi - Accounts of Chemical Research, 2024 - ACS Publications
Conspectus Quantum effects are critical to understanding many chemical dynamical
processes in condensed phases, where interactions between molecules and their …

HEOM‐QUICK2: A general‐purpose simulator for fermionic many‐body open quantum systems—An update

D Zhang, L Ye, J Cao, Y Wang, RX Xu… - Wiley …, 2024 - Wiley Online Library
Many‐body open quantum systems (OQSs) have a profound impact on various
subdisciplines of physics, chemistry, and biology. Thus, the development of a computer …

Taming quantum noise for efficient low temperature simulations of open quantum systems

M Xu, Y Yan, Q Shi, J Ankerhold, JT Stockburger - Physical Review Letters, 2022 - APS
The hierarchical equations of motion (HEOM), derived from the exact Feynman-Vernon path
integral, is one of the most powerful numerical methods to simulate the dynamics of open …

Electron transfer bridge inducing polarization of nitrogen molecules for enhanced photocatalytic nitrogen fixation

H Li, J Wang, Z Ruan, P Nan, B Ge, M Cheng… - Materials …, 2023 - pubs.rsc.org
Ammonia (NH3) plays a crucial role in the production of fertilizers, medicines, fibers, etc.,
which are closely relevant to the development of human society. However, the inert and …

Resonance theory and quantum dynamics simulations of vibrational polariton chemistry

W Ying, P Huo - The Journal of Chemical Physics, 2023 - pubs.aip.org
We present numerically exact quantum dynamics simulations using the hierarchical
equation of motion approach to investigate the resonance enhancement of chemical …

Quantum Monte Carlo method in the steady state

A Erpenbeck, E Gull, G Cohen - Physical Review Letters, 2023 - APS
We present a numerically exact steady-state inchworm Monte Carlo method for
nonequilibrium quantum impurity models. Rather than propagating an initial state to long …

Efficient low-temperature simulations for fermionic reservoirs with the hierarchical equations of motion method: Application to the Anderson impurity model

X Dan, M Xu, JT Stockburger, J Ankerhold, Q Shi - Physical Review B, 2023 - APS
The hierarchical equations of motion (HEOM) approach is an accurate method to simulate
open system quantum dynamics, which allows for systematic convergence to numerically …

Toward quantum simulation of non-Markovian open quantum dynamics: A universal and compact theory

X Li, SX Lyu, Y Wang, RX Xu, X Zheng, YJ Yan - Physical Review A, 2024 - APS
Non-Markovianity, the intricate dependence of an open quantum system on its temporal
evolution history, holds tremendous implications across various scientific disciplines …

Quantum mechanics of open systems: Dissipaton theories

Y Wang, YJ Yan - The Journal of Chemical Physics, 2022 - pubs.aip.org
This Perspective presents a comprehensive account of the dissipaton theories developed in
our group since 2014, including the physical picture of dissipatons and the phase–space …

Quasi-Lindblad pseudomode theory for open quantum systems

G Park, Z Huang, Y Zhu, C Yang, GKL Chan, L Lin - Physical Review B, 2024 - APS
We introduce a new framework to study the dynamics of open quantum systems with linearly
coupled Gaussian baths. Our approach replaces the continuous bath with an auxiliary …