Litcius/Paper detail

Many-Body Quantum State Diffusion for Non-Markovian Dynamics in Strongly Interacting Systems

S. Flannigan, F. Damanet, A. J. Daley

2022Physical Review Letters42 citationsDOIOpen Access PDF

Abstract

Capturing non-Markovian dynamics of open quantum systems is generally a challenging problem, especially for strongly interacting many-body systems. In this Letter, we combine recently developed non-Markovian quantum state diffusion techniques with tensor network methods to address this challenge. As a first example, we explore a Hubbard-Holstein model with dissipative phonon modes, where this new approach allows us to quantitatively assess how correlations spread in the presence of non-Markovian dissipation in a 1D many-body system. We find regimes where correlation growth can be enhanced by these effects, offering new routes for dissipatively enhancing transport and correlation spreading, relevant for both solid state and cold atom experiments.

Topics & Concepts

PhysicsDissipative systemDissipationStatistical physicsDynamics (music)QuantumQuantum dynamicsDiffusionTensor (intrinsic definition)State (computer science)Quantum mechanicsPhononQuantum fluctuationAtom (system on chip)Open quantum systemQuantum discordQuantum dotNon-equilibrium thermodynamicsQuantum systemQuantum dissipationQuantum stateQuantum many-body systemsAdvanced Thermodynamics and Statistical MechanicsAdvanced Physical and Chemical Molecular Interactions