Analytical solutions of basic models in quantum optics

Abstract

The recent progress in the analytical solution of models invented to describe theoretically the interaction of matter with light on an atomic scale is reviewed. The methods employ the classical theory of linear differential equations in the complex domain (Fuchsian equations). The linking concept is provided by the Bargmann Hilbert space of analytic functions, which is isomorphic to $L^2(\mathbb{R})$, the standard Hilbert space for a single continuous degree of freedom in quantum mechanics. I give the solution of the quantum Rabi model in some detail and sketch the solution of its generalization, the asymmetric Dicke model. Characteristic properties of the respective spectra are derived directly from the singularity structure of the corresponding system of differential equations.

To appear in the Conference Proceedings of the Forum of Mathematics for Industry 2014

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• Atomic Raman scattering: Third-order diffraction in a double geometry
• Atomic diffraction from single-photon transitions in gravity and Standard-Model extensions
• Eternal Adiabaticity
• Finite Pulse-Time Effects in Long-Baseline Quantum Clock Interferometry