Entanglement Protection via Periodic Environment Resetting in Continuous Time Quantum Dynamical Processes

TL;DR

This paper investigates how periodic resetting of the environment can protect entanglement in continuous-time open quantum systems, analyzing Markovian and non-Markovian effects through solvable qubit models.

Contribution

It introduces a method of entanglement protection by periodically resetting the environment, providing analytical insights into its effectiveness in different dynamical regimes.

Findings

Periodic environment resetting enhances entanglement preservation.

Markovian and non-Markovian dynamics respond differently to resetting.

Resetting can prevent entanglement-breaking regimes in certain models.

Abstract

The temporal evolution of entanglement between a noisy system and an ancillary system is analyzed in the context of continuous time open quantum system dynamics. Focusing on a couple of analytically solvable models for qubit systems, we study how Markovian and non-Markovian characteristics influence the problem, discussing in particular their associated entanglement-breaking regimes. These performances are compared with those one could achieve when the environment of the system is forced to return to its input configuration via periodic instantaneous resetting procedures.