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Dynamics of many-body quantum synchronisation

Davis-Tilley, C.; Teoh, C. K.; Armour, A. D.

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C. Davis-Tilley

C. K. Teoh


© 2018 The Author(s). The Author(s). Published by IOP Publishing on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft. We analyse the properties of the synchronisation transition in a many-body system consisting of quantum van der Pol oscillators with all-to-all coupling using a self-consistent mean-field method. We find that the synchronised state, which the system can access for oscillator couplings above a critical value, is characterised not just by a lower phase uncertainty than the corresponding unsynchronised state, but also a higher number uncertainty. Just below the critical coupling the system can evolve to the unsynchronised steady state via a long-lived transient synchronised state. We investigate the way in which this transient state eventually decays and show that the critical scaling of its lifetime is consistent with a simple classical model.


Davis-Tilley, C., Teoh, C. K., & Armour, A. D. (2018). Dynamics of many-body quantum synchronisation. New Journal of Physics, 20(11),

Journal Article Type Article
Acceptance Date Nov 6, 2018
Online Publication Date Oct 18, 2018
Publication Date Nov 6, 2018
Deposit Date Oct 19, 2018
Publicly Available Date Nov 6, 2018
Journal New Journal of Physics
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 20
Issue 11
Article Number 113002
Public URL
Publisher URL


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