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 …

Theoretical study of nonadiabatic hydrogen atom scattering dynamics on metal surfaces using the hierarchical equations of motion method

X Dan, Q Shi - The Journal of Chemical Physics, 2023 - pubs.aip.org
Hydrogen atom scattering on metal surfaces is investigated based on a simplified Newns–
Anderson model. Both the nuclear and electronic degrees of freedom are treated quantum …

Hierarchical equations of motion approach for accurate characterization of spin excitations in quantum impurity systems

D Zhang, L Zuo, L Ye, ZH Chen, Y Wang… - The Journal of …, 2023 - pubs.aip.org
Recent technological advancement in scanning tunneling microscopes has enabled the
measurement of spin-field and spin–spin interactions in single atomic or molecular junctions …

Current-induced forces in nanosystems: A hierarchical equations of motion approach

SL Rudge, Y Ke, M Thoss - Physical Review B, 2023 - APS
An approach to calculating current-induced forces in charge transport through nanosystems
is introduced. Starting from the fully quantum mechanical hierarchical equations of motion …

On the practical truncation tier of fermionic hierarchical equations of motion

X Ding, D Zhang, L Ye, X Zheng, YJ Yan - The Journal of Chemical …, 2022 - pubs.aip.org
The fermionic hierarchical equations of motion (HEOM) approach has found wide
application in the exploration of open quantum systems, and extensive efforts have been …

Assessing mixed quantum-classical molecular dynamics methods for nonadiabatic dynamics of molecules on metal surfaces

J Gardner, S Habershon, RJ Maurer - The Journal of Physical …, 2023 - ACS Publications
Mixed quantum-classical (MQC) methods for simulating the dynamics of molecules at metal
surfaces have the potential to accurately and efficiently provide mechanistic insight into …

Kondo QED: The Kondo effect and photon trap** in a two-impurity Anderson model ultrastrongly coupled to light

PC Kuo, N Lambert, M Cirio, YT Huang, F Nori… - Physical Review …, 2023 - APS
The Kondo effect is one of the most studied examples of strongly correlated quantum many-
body physics. Another type of strongly correlated physics that has only recently been …

How an electrical current can stabilize a molecular nanojunction

A Erpenbeck, Y Ke, U Peskin, M Thoss - Nanoscale, 2023 - pubs.rsc.org
The stability of molecular junctions under transport is of the utmost importance for the field of
molecular electronics. This question is often addressed within the paradigm of current …

Quantum Chemical Studies on Possible Molecular Devices Based on Electric Field-Induced Intramolecular Charge Transfer

T Tada - The Journal of Physical Chemistry A, 2023 - ACS Publications
We report quantum chemical studies on possible molecular devices working based on
electric field-induced intramolecular charge transfer (EFIMCT). In the case of donor …

Simulation investigation of effects of substrate and thermal boundary resistance on performances of AlGaN/GaN HEMTs

K Wang, W Hu, S Wu, H Wang, MA Padhiar… - Physica Scripta, 2024 - iopscience.iop.org
The temperature distributions and thermal resistances of the GaN HEMTs fabricated on
different substrates (sapphire, Si, SiC and diamond) with Mo/Au interlayers were calculated …