Quantum synchronization in one-dimensional topological systems
Artikel i vetenskaplig tidskrift, 2025

The phenomenon of synchronization, where entities exhibit stable oscillations with aligned frequencies and phases, has been revealed in diverse areas of natural science. It plays a crucial role in achieving frequency locking in multiple applications such as microwave communication and signal processing. The study of synchronization in quantum systems has gained significant interest, particularly in developing robust methods for synchronizing distant objects. Here, we demonstrate that synchronization between the boundary sites of one-dimensional generalized Aubry-Andr & eacute;-Harper models can be induced through applying dissipation on the central sites. We observe two types of synchronization, stemming from the topological edge states, identified by the off-diagonal or diagonal correlations between the boundary sites. We calculate the relaxation rate to realize the synchronization and its acceleration with bulk dissipation. Remarkably, the synchronous oscillations maintain steady amplitude and frequency in the thermodynamic limit. Moreover, we show that the synchronization is robust against perturbations in the Hamiltonian and initial states, highlighting its potential for practical implementation on near-term quantum simulation platforms.

Edge states

Synchronization

Open quantum systems & decoherence

Författare

Tong Liu

Chalmers, Mikroteknologi och nanovetenskap, Kvantteknologi

Laura Garcia Alvarez

Chalmers, Mikroteknologi och nanovetenskap, Tillämpad kvantfysik

Giovanna Sammarco Tancredi

Chalmers, Mikroteknologi och nanovetenskap, Kvantteknologi

PHYSICAL REVIEW RESEARCH

2643-1564 (eISSN)

Vol. 7 2 L022064

Wallenberg Centre for Quantum Technology (WACQT)

Knut och Alice Wallenbergs Stiftelse (KAW 2017.0449, KAW2021.0009, KAW2022.0006), 2018-01-01 -- 2030-03-31.

Ämneskategorier (SSIF 2025)

Kommunikationssystem

Den kondenserade materiens fysik

DOI

10.1103/mr1f-v8cv

Mer information

Senast uppdaterat

2025-06-27