14 citations · 69 across the 23 of their papers we have counts for
24 papers
An Exact Operator Formulation of Statistical Quasiparticle Theory for Nonlinear System-Bath Coupling
Yu Su, Yao Wang
We develop an operator formulation of statistical quasiparticle theory for open quantum systems with nonlinear system-bath coupling, extending beyond the linear coupling setting of…
Unit-Circle Moment Closure
Yu Su, Yao Wang
Moment closure is a central problem in reduced descriptions of stochastic, kinetic, and quantum dynamics, where equations for low-order observables are coupled to an unresolved hie…
Projection-Based Memory Kernel Coupling Theory for Quantum Dynamics: A Stable Framework for Non-Markovian Simulations
Wei Liu, Rui-Hao Bi, Yu Su +4
We present a projection-based, stability-preserving methodology for computing time correlation functions in open quantum systems governed by generalized quantum master equations wi…
Extended dissipaton theory for higher-order bath couplings and application to non-Condon spectroscopy with anharmonicity
Zi-Fan Zhu, Yu Su, Yao Wang +2
In this work, we develop an extended dissipaton theory that generalizes the environmental couplings beyond the conventional linear and quadratic forms, enabling the treatment of ar…
The Phase-Coupled Caldeira-Leggett Model: Non-Markovian Open Quantum Dynamics beyond Linear Dissipation
Ao-Xiang Chang, Yu Su, Zi-Fan Zhu +3
We introduce the \textit{Phase-Coupled Caldeira-Leggett} (PCL) model of quantum dissipation and develop an exact framework for its dynamics. Unlike the conventional Caldeira-Legget…
Fermionic influence superoperator for transport through Majorana zero modes
Jia-Lin Pan, Zi-Fan Zhu, Shixuan Chen +2
In recent years, the study of Majorana signatures in quantum transport has become a central focus in condensed matter physics. Here, we present a rigorous and systematic derivation…
Optimal control on open quantum systems and application to non-Condon photo-induced electron transfer
Zi-Fan Zhu, Yu Su, Yao Wang +1
In this work, we develop an optimal control theory on open quantum system and its environment, and exemplify the method with the application to the non-Condon photo-induced electro…
Nonperturbative Open Quantum Dynamics Bypass Influence Functional
Yu Su, Yao Wang, Wenjie Dou
An ordered moment approach to exact open quantum dynamics is presented, which bypasses the Feynman-Vernon influence functional formalism. The hierarchical equations of motion are c…
Correlated vibration-solvent and Duschinsky effects on electron transfer dynamics and optical spectroscopy
Zi-Fan Zhu, Yu Su, Yao Wang +2
Understanding the effects of vibrations in electron transfer (ET) dynamics and optical spectroscopies is essential to precisely interpret the role of decoherence, especially for sy…
Extended dissipaton theory with application to adatom-graphene composite
Yu Su, Yao Wang, Zi-Fan Zhu +4
In this paper, we present the extended dissipaton theory, including the dissipaton-equation-of-motion formalism and the equivalent dissipaton-embedded quantum master equation. Thes…
Stability of Quantum Systems beyond Canonical Typicality
Yu Su, Zi-Fan Zhu, Yao Wang +2
Involvement of the environment is indispensable for establishing the statistical distribution of system. We analyze the statistical distribution of a quantum system coupled strongl…
Memory Kernel Coupling Theory: Obtain Time Correlation Function from Higher-order Moments
Wei Liu, Yu Su, Yao Wang +1
Dynamical observables can often be described by time correlation functions (TCFs). However, efficiently calculating TCFs for complex quantum systems is a significant challenge, whi…
Quantum Mechanics of Open Systems in Non-Inertial Motion
Zi-Fan Zhu, Yu Su, Yao Wang +2
The study of quantum mechanics in non-inertial reference frames, particularly in the context of open systems, introduces several intriguing phenomena and challenges. This paper pre…
Spin-lattice relaxation with non-linear couplings: Comparison between Fermi's golden rule and extended dissipaton equation of motion
Rui-Hao Bi, Yu Su, Yao Wang +2
Fermi's golden rule (FGR) offers an empirical framework for understanding the dynamics of spin-lattice relaxation in magnetic molecules, encompassing mechanisms like direct (one-ph…
Extended system-bath entanglement theorem for multiple bosonic or fermionic environments
Yu Su, Hao-Yang Qi, Zi-Hao Chen +3
The system-bath entanglement theorem (SBET) was established in terms of linear response functions [J. Chem. Phys. 152, 034102 (2020)] and generalized to correlation functions [arXi…
Generalized system-bath entanglement theorem for Gaussian environments
Yu Su, Yao Wang, Rui-Xue Xu +1
A system-bath entanglement theorem (SBET) with Gaussian environments was established previously in J. Chem. Phys. 152, 034102 (2020) in terms of linear response functions. This the…
Predicting rate kernels via dynamic mode decomposition
Wei Liu, Zi-Hao Chen, Yu Su +2
Simulating dynamics of open quantum systems is sometimes a significant challenge, despite the availability of various exact or approximate methods. Particularly when dealing with c…
Extended dissipaton equation of motion for electronic open quantum systems: Application to the Kondo impurity model
Yu Su, Zi-Hao Chen, Yao Wang +3
In this paper, we present an extended dissipaton equation of motion for studying the dynamics of electronic impurity systems. Compared with the original theoretical formalism, the…
Dissipatons as generalized Brownian particles for open quantum systems: Dissipaton-embedded quantum master equation
Xiang Li, Yu Su, Zi-Hao Chen +4
Dissipaton theory had been proposed as an exact and nonperturbative approach to deal with open quantum system dynamics, where the influence of Gaussian environment is characterized…
Spin relaxation dynamics with a continuous spin environment: the dissipaton equation of motion approach
Wenxiang Ying, Yu Su, Zi-Hao Chen +2
We present the quantum dynamics of a spin coupling to a bath of independent spins via the dissipaton equation of motion (DEOM) approach. The bath, characterized by a continuous spe…
Copula approach to exchange-correlation hole in many-electron systems with strong correlations
JingChun Wang, Yu Su, Haoyang Cheng +2
Electronic correlation is a fundamental topic in many-electron systems. To characterize this correlation, one may introduce the concept of exchange-correlation hole. In this paper,…
Coherent excitation energy transfer in model photosynthetic reaction center: Effects of non-Markovian quantum environment
Jie Fang, Zi-Hao Chen, Yu Su +4
Excitation energy transfer (EET) and electron transfer (ET) are crucially involved in photosynthetic processes. In reality, the photosynthetic reaction center constitutes an open q…
Electron transfer under the Floquet modulation in donor-bridge-acceptor systems
Yu Su, Zi-Hao Chen, Haojie Zhu +4
Electron transfer (ET) processes are of broad interest in modern chemistry. With the advancements of experimental techniques, one may modulate the ET via such as the light-matter i…
Nonequilibrium system-bath entanglement theorem versus heat transport
Peng-Li Du, Zi-Hao Chen, Yu Su +3
In this work, we extend the recently established system-bath entanglement theorem (SBET) [J. Chem. Phys. 152, 034102 (2020)] to the nonequilibrium scenario, in which an arbitrary s…