# Quantum synchronization in a collision model

## TL;DR

This paper demonstrates how environment-induced spontaneous quantum synchronization can occur between two spins in a collision model, independent of correlations, and explores thermal effects on this phenomenon.

## Contribution

It reveals the conditions for spontaneous quantum synchronization in a collision model and shows that correlations are not essential for its emergence.

## Key findings

- Synchronization occurs without external drive.
- Correlations are not necessary for quantum synchronization.
- Thermal effects influence the emergence of synchronization.

## Abstract

We reveal the emergence of environment-induced spontaneous synchronization between two spin-1/2 quantum objects in a collision model setting. In particular, we determine the conditions for the dynamical establishment of synchronous evolution between local spin observables of a pair of spins undergoing open-system dynamics in the absence of an external drive. Exploiting the versatility of the collision model framework, we show that the formation of quantum or classical correlations between the principal spin pair are of no significant relevance to the manifestation of spontaneous quantum synchronization between them. Furthermore, we discuss the consequences of thermal effects on the environmental spins for the emergence of quantum synchronization.