Waveguide quantum electrodynamics represents a powerful platform to generate
entanglement and tailor photonic states. We consider a pair of identical qubits coupled to a …

Generalized spin-boson (GSB) models describe the interaction between a quantum
mechanical system and a structured boson environment, mediated by a family of coupling …

We study a class of quantum Hamiltonian models describing a family of N two-level systems
(spins) coupled with a structured boson field of positive mass, with a rotating-wave coupling …

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We provide a rigorous construction of a large class of generalized spin-boson models with
ultraviolet-divergent form factors. This class comprises various models of many possibly non …

We study two seminal approaches, developed by B. Simon and J. Kisyński, to the well-
posedness of the Schrödinger equation with a time-dependent Hamiltonian. In both cases …

A system composed of two-level systems interacting with a single excitation of a one-
dimensional boson field with continuous spectrum, described by a Friedrichs (or Friedrichs …

We investigate the properties of the cooperative decay modes of a cold atomic cloud,
characterized by a Gaussian distribution in three dimensions, initially excited by a laser in …