Non-Hermitian pseudomodes for strongly coupled open quantum systems: Unravelings, correlations, and thermodynamics
The pseudomode framework provides an exact description of the dynamics of an open
quantum system coupled to a non-Markovian environment. Using this framework, the …
quantum system coupled to a non-Markovian environment. Using this framework, the …
Toward quantum simulation of non-Markovian open quantum dynamics: A universal and compact theory
Non-Markovianity, the intricate dependence of an open quantum system on its temporal
evolution history, holds tremendous implications across various scientific disciplines …
evolution history, holds tremendous implications across various scientific disciplines …
Quasi-Lindblad pseudomode theory for open quantum systems
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 …
coupled Gaussian baths. Our approach replaces the continuous bath with an auxiliary …
About the performance of perturbative treatments of the spin-boson dynamics within the hierarchical equations of motion approach
The hierarchical equations of motion (HEOM) provide a numerically exact approach for
simulating the dynamics of open quantum systems coupled to a harmonic bath. However, its …
simulating the dynamics of open quantum systems coupled to a harmonic bath. However, its …
Unified analysis of non-Markovian open quantum systems in Gaussian environment using superoperator formalism
We present perturbative error bounds for the non-Markovian dynamics of observables in
open quantum systems interacting with Gaussian environments, governed by general …
open quantum systems interacting with Gaussian environments, governed by general …
Gate operations for superconducting qubits and non-Markovianity
K Nakamura, J Ankerhold - Physical Review Research, 2024 - APS
While the accuracy of qubit operations has been greatly improved in the last decade, further
development is demanded to achieve the ultimate goal: a fault-tolerant quantum computer …
development is demanded to achieve the ultimate goal: a fault-tolerant quantum computer …
Solomon equations for qubit and two-level systems: Insights into non-Poissonian quantum jumps
We measure and model the combined relaxation of a qubit coupled to a discrete two-level
system (TLS) environment, also known as the central spin model. If the TLSs are much …
system (TLS) environment, also known as the central spin model. If the TLSs are much …
[HTML][HTML] Unifying methods for optimal control in non-Markovian quantum systems via process tensors
The large dimensionality of environments is the limiting factor in applying optimal control to
open quantum systems beyond the Markovian approximation. Various methods exist to …
open quantum systems beyond the Markovian approximation. Various methods exist to …
Environment-mediated long-ranged correlations in many-body system
Quantum states in complex aggregates are unavoidably affected by environmental effects,
which typically cannot be accurately modeled by simple Markovian processes. As system …
which typically cannot be accurately modeled by simple Markovian processes. As system …
Schwinger-Keldysh nonequilibrium quantum field theory of open quantum systems beyond the Markovian regime: Application to the spin-boson model
We develop a Schwinger-Keldysh field theory (SKFT) for open quantum systems interacting
with a dissipative environment and apply it to the spin-boson model as an archetypical …
with a dissipative environment and apply it to the spin-boson model as an archetypical …