Volume 116, Number 1, October 2016
|Number of page(s)||7|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||16 November 2016|
Dissipation-assisted quantum correlations in coupled qubits
Department of Physics and York Centre for Quantum Technologies, University of York Heslington, York, YO10 5DD, UK
Received: 27 June 2016
Accepted: 25 October 2016
We theoretically investigate a possibility to establish multi-qubit quantum correlations in one-dimensional chains of qubits. We combine a reservoir engineering strategy with coherent dynamics to generate multi-qubit entangled states. We find that an interplay between the coherent and incoherent dynamics result in the generation of stable (time-independent) many-body entangled steady states. Our results will be relevant in the context of the dissipative generation of quantum states, with applications in short-distance quantum computation and for exploring the emergence of collective phenomena in many-body open quantum systems.
PACS: 42.50.-p – Quantum optics / 03.67.-a – Quantum information / 75.10.Pq – Spin chain models
© EPLA, 2016
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