@article{e897348e4c06479fb4692ed46a87690a,
title = "Schr{\"o}dinger-cat-like states with dressed photons in renormalized adiabatic approximation for generalized quantum Rabi Hamiltonian with quadratic interaction",
abstract = "We give a mathematical procedure to obtain the renormalized adiabatic approximation for the generalized quantum Rabi Hamiltonian with a quadratic interaction. The Hamiltonian describes the energy of the interaction system of a two-level artificial atom and a one-mode microwave photon. Using the renormalized adiabatic approximation in the deep-strong coupling regime, we study the appearance of the Schr{\"o}dinger-cat-like states with dressed photons in the eigenstates of the generalized quantum Rabi Hamiltonian with the quadratic interaction.",
author = "Masao Hirokawa",
note = "Funding Information: This work was supported by JSPS KAKENHI Grant Number 20K03768 . The author thanks Tomoko Fuse, Kouichi Semba, and Fumiki Yoshihara for the valuable discussions on their experimental results, S{\'e}bastien Gleyzes for the highly suggestive discussions on the Schr{\"o}dinger-cat-like states, and Qing-Hu Chen, Cristiano Ciuti, and Elinor Irish for their useful comments at the International Workshop on “Strongly Coupled Light-Matter Interactions: Models and Application” organized by Hong-Gang Luo and Jun-Hong An at Lanzhou University on July 8 and 9, 2018. He also acknowledges Franco Nori{\textquoteright}s advice on his work and the referee{\textquoteright}s to improve author{\textquoteright}s first manuscript. Funding Information: This work was supported by JSPS KAKENHI Grant Number 20K03768. The author thanks Tomoko Fuse, Kouichi Semba, and Fumiki Yoshihara for the valuable discussions on their experimental results, S{\'e}bastien Gleyzes for the highly suggestive discussions on the Schr{\"o}dinger-cat-like states, and Qing-Hu Chen, Cristiano Ciuti, and Elinor Irish for their useful comments at the International Workshop on “Strongly Coupled Light-Matter Interactions: Models and Application” organized by Hong-Gang Luo and Jun-Hong An at Lanzhou University on July 8 and 9, 2018. He also acknowledges Franco Nori's advice on his work and the referee's to improve author's first manuscript. Publisher Copyright: {\textcopyright} 2020 The Author(s)",
year = "2020",
month = dec,
doi = "10.1016/j.physo.2020.100039",
language = "English",
volume = "5",
journal = "Physics Open",
issn = "2666-0326",
publisher = "Elsevier BV",
}