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Collectively Enhanced Thermalization via Multiqubit Collisions by Manatuly, Angsar; Niedenzu, Wolfgang; Román-Ancheyta, Ricardo; Çakmak, Barış; Müstecaplıoğlu, Özgür E.; Kurizki, Gershon is a scholarly article available to read on EtoBox.

What is Collectively Enhanced Thermalization via Multiqubit Collisions about?

We investigate the evolution of a target qubit caused by its multiple random collisions with $N$-qubit clusters. Depending on the cluster state, the evolution of the target qubit may correspond to its effective interaction with a thermal bath, a coherent (laser) drive, or a squeezed bath. In cases where the target qubit relaxes to a thermal state its dynamics can exhibit a quantum advantage, whereby the target-qubit temperature can be scaled up proportionally to $N^2$ and the thermalization time can be shortened by a similar factor, provided the appropriate coherence in the cluster is prepared by non-thermal means. We dub these effects quantum super-thermalization due to its analogies to super-radiance. Experimental realizations of these effects are suggested.

Author

Manatuly, Angsar; Niedenzu, Wolfgang; Román-Ancheyta, Ricardo; Çakmak, Barış; Müstecaplıoğlu, Özgür E.; Kurizki, Gershon

Published

2018

Language

EN