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quant-ph2020
Theoretical methods for ultrastrong light-matter interactions
Alexandre Le Boité
This article reviews theoretical methods developed in the last decade to understand cavity quantum electrodynamics in the ultrastrong-coupling regime, where the strength of the lig…
quant-ph2019
Observing the Spectral Collapse of Two-Photon Interaction Models
Simone Felicetti, Alexandre Le Boité
Until very recently, two-photon interaction processes have been considered only as arising from second- or higher-order effects in driven systems, and so limited to extremely small…
quant-ph2018
Ultrastrong coupling regime of non-dipolar light-matter interactions
Simone Felicetti, Myung-Joong Hwang, Alexandre Le Boité
We present a circuit-QED scheme which allows to reach the ultrastrong coupling regime of a nondipolar interaction between a single qubit and a quantum resonator. We show that the s…