Nonclassicality of open circuit QED systems in the deep-strong coupling regime

Nonclassicality of open circuit QED systems in the deep-strong coupling regime

<p dir="ltr">We investigate theoretically how the ground state of a qubit–resonator (Q–R) system in the deep-strong coupling (DSC) regime is affected by the coupling to an environment. We employ as a variational ansatz for the ground state of the Q–R–environment system a superpositio...

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Bibliographic Details
Main Author: Tomohiro Shitara (18508206) (author)
Other Authors: Motoaki Bamba (14221603) (author), Fumiki Yoshihara (15347847) (author), Tomoko Fuse (18508209) (author), Sahel Ashhab (8708694) (author), Kouichi Semba (18508212) (author), Kazuki Koshino (14414181) (author)
Published: 2021
Subjects:
Information and computing sciences
Applied computing
circuit QED
nonclassicality
deep strong coupling
metrological power
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