Local temperatures out of equilibrium

D Zhang, X Zheng, M Di Ventra - Physics Reports, 2019 - Elsevier
The temperature of a physical system is operationally defined in physics as “that quantity
which is measured by a thermometer” weakly coupled to, and at equilibrium with the system …

Exact master equation and general non-Markovian dynamics in open quantum systems

WM Zhang - The European Physical Journal Special Topics, 2019 - Springer
Investigations of quantum and mesoscopic thermodynamics force one to answer two
fundamental questions associated with the foundations of statistical mechanics:(i) how does …

Photoexcitation Dynamics in Janus-MoSSe/WSe2 Heterobilayers: Ab Initio Time-Domain Study

Y Liang, J Li, H Jin, B Huang, Y Dai - The journal of physical …, 2018 - ACS Publications
The photoexcitation dynamics plays a key role in determining the properties of van der
Waals heterostructures (vdWHs). Based on the time-dependent density functional theory …

Nonperturbative renormalization of quantum thermodynamics from weak to strong couplings

WM Huang, WM Zhang - Physical Review Research, 2022 - APS
By solving the exact master equation of open quantum systems, we formulate the quantum
thermodynamics from weak to strong couplings. The open quantum systems exchange …

An efficient Julia framework for hierarchical equations of motion in open quantum systems

YT Huang, PC Kuo, N Lambert, M Cirio… - Communications …, 2023 - nature.com
The hierarchical equations of motion (HEOM) approach can describe the reduced dynamics
of a system simultaneously coupled to multiple bosonic and fermionic environments. The …

Modeling the unphysical pseudomode model with physical ensembles: Simulation, mitigation, and restructuring of non-Markovian quantum noise

M Cirio, S Luo, P Liang, F Nori, N Lambert - Physical Review Research, 2024 - APS
The influence of a Gaussian environment on a quantum system can be described by
effectively replacing the continuum with a discrete set of ancillary quantum and classical …

Optomechanical force sensor in a non-Markovian regime

WZ Zhang, Y Han, B Xiong, L Zhou - New Journal of Physics, 2017 - iopscience.iop.org
An optomechanical force sensor for a mechanical oscillator in a non-Markovian environment
is presented. By performing homodyne detection, we obtain a general expression for the …

Simulating open quantum systems with Hamiltonian ensembles and the nonclassicality of the dynamics

HB Chen, C Gneiting, PY Lo, YN Chen, F Nori - Physical review letters, 2018 - APS
The incoherent dynamical properties of open quantum systems are generically attributed to
an ongoing correlation between the system and its environment. Here, we propose a novel …

Disparity in Photoexcitation Dynamics between Vertical and Lateral MoS2/WSe2 Heterojunctions: Time-Domain Simulation Emphasizes the Importance of Donor …

Y Yang, WH Fang, R Long - The Journal of Physical Chemistry …, 2017 - ACS Publications
Two-dimensional transition metal dichalcogenides (TMDs) heterojunctions are appealing
candidates for optoelectronics and photovoltaics. Using time-domain density functional …

Quantifying the nonclassicality of pure dephasing

HB Chen, PY Lo, C Gneiting, J Bae, YN Chen… - Nature …, 2019 - nature.com
One of the central problems in quantum theory is to characterize, detect, and quantify
quantumness in terms of classical strategies. Dephasing processes, caused by non …