[Motoaki Bamba] Phase transition of environment for overcoming the trade-off between controlling and protecting quantum states

Research Director

Motoaki Bamba's Photo

Motoaki Bamba

Osaka University
Graduate School of Engineering Science
Visiting Academic Staff

Outline

In order to push the frontier of quantum technologies into the real societies, we try to establish a strategy for overcoming the trade-off between controlling and protecting quantum states. In contrast to the conventional way relying on the suppression of decoherence sources in fabrication processes, we artificially cause a phase transition of environment incorporating the decoherence sources, which are expected to be pinned by a spontaneously appeared field and an engineered energy gap in the environment, while keeping quantum-bits unchanged.

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