216 citations · 1.4k across the 25 of their papers we have counts for
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Quantum Phase Transitions in Many-Dipole Light-Matter Systems
Daniele Lamberto, Omar Di Stefano, Stephen Hughes +2
A potential phase transition between a normal ground state and a photon-condensed ground state in many-dipole light-matter systems is a topic of considerable controversy, exasperat…
Pure Dephasing of Light-Matter Systems in the Ultrastrong and Deep-Strong Coupling Regimes
Alberto Mercurio, Shilan Abo, Fabio Mauceri +5
Pure dephasing originates from the non-dissipative information exchange between quantum systems and environments, and plays a key-role in both spectroscopy and quantum information…
Ultrastrong Coupling of a Qubit with a Nonlinear Optical Resonator
Fabio Mauceri, Alberto Mercurio, Salvatore Savasta +1
We study the interaction of a two-level atom with a single-mode nonlinear electromagnetic resonator, considering coupling strengths ranging from zero to the so-called deep strong c…
Gauge-Independent Emission Spectra and Quantum Correlations in the Ultrastrong Coupling Regime of Open System Cavity-QED
Will Salmon, Chris Gustin, Alessio Settineri +5
A quantum dipole interacting with an optical cavity is one of the key models in cavity quantum electrodynamics (cavity-QED). To treat this system theoretically, the typical approac…
Gauge Principle and Gauge Invariance in Two-Level Systems
Salvatore Savasta, Omar Di Stefano, Alessio Settineri +3
The quantum Rabi model is a widespread description of the coupling between a two-level system and a quantized single mode of an electromagnetic resonator. Issues about this model's…
Gauge Principle and Gauge Invariance in Quantum Two-Level Systems
Salvatore Savasta, Omar Di Stefano, Alessio Settineri +3
The quantum Rabi model is a widespread description for the coupling between a two-level system and a quantized single mode of an electromagnetic resonator. Issues about this model'…