Tutorial on nonperturbative cavity quantum electrodynamics: is the Jaynes-Cummings model still relevant?

Year: 2024

Authors: De Bernardis D., Mercurio A., De Liberato S.

Autors Affiliation: Natl Inst Opt Consiglio Nazl Ric CNR INO, European Lab Nonlinear Spect LENS, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy; Ecole Polytech Fed Lausanne EPFL, Inst Phys, Lab Theoret Phys Nanosyst LTPN, CH-1015 Lausanne, Switzerland; Ecole Polytech Fed Lausanne, Ctr Quantum Sci & Engn, CH-1015 Lausanne, Switzerland; Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, England; Consiglio Nazl Ric CNR, Ist Foton & Nanotecnol, Piazza Leonardo da Vinci 32, Milan, Italy.

Abstract: In this tutorial review, we briefly discuss the role that the Jaynes-Cummings model occupies in present-day research in cavity quantum electrodynamics with a particular focus on the so-called ultrastrong-coupling regime. We start by critically analyzing the various approximations required to distill such a simple model from standard quantum electrodynamics. We then discuss how many of those approximations can be, and often have been, broken in recent experiments. The consequence of these failures has been the need to abandon the Jaynes-Cummings model for more complex models. In this, the quantum Rabi model has the most prominent role, and we will rapidly survey its rich and peculiar phenomenology. We conclude the paper by showing how the Jaynes-Cummings model still plays a crucial role even in nonperturbative light-matter coupling regimes. (c) 2024 Optica Publishing Group

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS

Volume: 41 (8)      Pages from:   to:

More Information: European Commission (IR0000016, ID D2B8D520, CUPB53C22001750006); Leverhulme Trust (RPG-2022-037).
KeyWords: Optical Cavity; Photon Scattering; Phase-transition; Gauge; Vacuum; Dependence; Polariton; Blockade; Dynamics; Field
DOI: 10.1364/JOSAB.522786

Citations: 2
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