Dynamics of non-Markovian open quantum systems
Open quantum systems (OQSs) cannot always be described with the Markov approximation,
which requires a large separation of system and environment time scales. An overview is …
which requires a large separation of system and environment time scales. An overview is …
Tensor networks for complex quantum systems
R Orús - Nature Reviews Physics, 2019 - nature.com
Originally developed in the context of condensed-matter physics and based on
renormalization group ideas, tensor networks have been revived thanks to quantum …
renormalization group ideas, tensor networks have been revived thanks to quantum …
Nonequilibrium boundary-driven quantum systems: Models, methods, and properties
Recent years have seen tremendous progress in the theoretical understanding of quantum
systems driven dissipatively by coupling to different baths at their edges. This was possible …
systems driven dissipatively by coupling to different baths at their edges. This was possible …
Dynamical phase transitions in the collisionless pre-thermal states of isolated quantum systems: theory and experiments
We overview the concept of dynamical phase transitions (DPTs) in isolated quantum
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …
Efficient method for quantum impurity problems out of equilibrium
We introduce an efficient method to simulate the dynamics of an interacting quantum
impurity coupled to noninteracting fermionic reservoirs. Viewing the impurity as an open …
impurity coupled to noninteracting fermionic reservoirs. Viewing the impurity as an open …
Encoding of matrix product states into quantum circuits of one-and two-qubit gates
SJ Ran - Physical Review A, 2020 - APS
The matrix product state (MPS) belongs to the most important models in, for example,
quantum information sciences and condensed-matter physics. However, realizing an N …
quantum information sciences and condensed-matter physics. However, realizing an N …
Slow quantum thermalization and many-body revivals from mixed phase space
The relaxation of few-body quantum systems can strongly depend on the initial state when
the system's semiclassical phase space is mixed; ie, regions of chaotic motion coexist with …
the system's semiclassical phase space is mixed; ie, regions of chaotic motion coexist with …
Nonequilibrium quantum impurity problems via matrix-product states in the temporal domain
Describing a quantum impurity coupled to one or more noninteracting fermionic reservoirs is
a paradigmatic problem in quantum many-body physics. While historically the focus has …
a paradigmatic problem in quantum many-body physics. While historically the focus has …
Tensor-network method to simulate strongly interacting quantum thermal machines
We present a methodology to simulate the quantum thermodynamics of thermal machines
which are built from an interacting working medium in contact with fermionic reservoirs at a …
which are built from an interacting working medium in contact with fermionic reservoirs at a …
Grassmann time-evolving matrix product operators for quantum impurity models
R Chen, X Xu, C Guo - Physical Review B, 2024 - APS
The time-evolving matrix product operators (TEMPO) method, which makes full use of the
Feynman-Vernon influence functional, is the state-of-the-art tensor network method for …
Feynman-Vernon influence functional, is the state-of-the-art tensor network method for …