Nonequilibrium thermodynamics in the strong coupling and non-Markovian regime based on a reaction coordinate mapping
We propose a method to study the thermodynamic behaviour of small systems beyond the
weak coupling and Markovian approximation, which is different in spirit from conventional …
weak coupling and Markovian approximation, which is different in spirit from conventional …
Sublinear scaling in non-Markovian open quantum systems simulations
While several numerical techniques are available for predicting the dynamics of non-
Markovian open quantum systems, most struggle with simulations for very long memory and …
Markovian open quantum systems, most struggle with simulations for very long memory and …
Fermionic reaction coordinates and their application to an autonomous Maxwell demon in the strong-coupling regime
We establish a theoretical method which goes beyond the weak-coupling and Markovian
approximations while remaining intuitive, using a quantum master equation in a larger …
approximations while remaining intuitive, using a quantum master equation in a larger …
Locality and digital quantum simulation of power-law interactions
The propagation of information in nonrelativistic quantum systems obeys a speed limit
known as a Lieb-Robinson bound. We derive a new Lieb-Robinson bound for systems with …
known as a Lieb-Robinson bound. We derive a new Lieb-Robinson bound for systems with …
Optimized auxiliary oscillators for the simulation of general open quantum systems
A method for the systematic construction of few-body damped harmonic oscillator networks
accurately reproducing the effect of general bosonic environments in open quantum systems …
accurately reproducing the effect of general bosonic environments in open quantum systems …
Tightening the Lieb-Robinson bound in locally interacting systems
Z Wang, KRA Hazzard - PRX Quantum, 2020 - APS
The Lieb-Robinson (LR) bound rigorously shows that in quantum systems with short-range
interactions, the maximum amount of information that travels beyond an effective “light cone” …
interactions, the maximum amount of information that travels beyond an effective “light cone” …
Lieb-Robinson bound and almost-linear light cone in interacting boson systems
T Kuwahara, K Saito - Physical review letters, 2021 - APS
In this work, we investigate how quickly local perturbations propagate in interacting boson
systems with Bose-Hubbard–type Hamiltonians. In general, these systems have unbounded …
systems with Bose-Hubbard–type Hamiltonians. In general, these systems have unbounded …
Quantum thermodynamics with fast driving and strong coupling via the mesoscopic leads approach
Understanding the thermodynamics of driven quantum systems strongly coupled to thermal
baths is a central focus of quantum thermodynamics and mesoscopic physics. A variety of …
baths is a central focus of quantum thermodynamics and mesoscopic physics. A variety of …
The reaction coordinate mapping in quantum thermodynamics
A Nazir, G Schaller - … in the Quantum Regime: Fundamental Aspects and …, 2018 - Springer
We present an overview of the reaction coordinate approach to handling strong system-
reservoir interactions in quantum thermodynamics. This technique is based on incorporating …
reservoir interactions in quantum thermodynamics. This technique is based on incorporating …
Periodically refreshed baths to simulate open quantum many-body dynamics
Obtaining dynamics of an interacting quantum many-body system connected to multiple
baths initially at different, finite, temperatures and chemical potentials is a challenging …
baths initially at different, finite, temperatures and chemical potentials is a challenging …