Feynman-diagrams approach to the quantum Rabi model for ultrastrong cavity QED: stimulated emission and reabsorption of virtual particles dressing a physical excitation

Feynman-diagrams approach to the quantum Rabi model for ultrastrong cavity QED: stimulated emission and reabsorption of virtual particles dressing a physical excitation

In quantum field theory, bare particles are dressed by a cloud of virtual particles to form physical particles. The virtual particles affect properties such as the mass and charge of the physical particles, and it is only these modified properties that can be measured in experiments, not the propert...

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Bibliographic Details
Main Authors: Omar Di Stefano, Roberto Stassi, Luigi Garziano, Anton Frisk Kockum, Salvatore Savasta, Franco Nori
Format: Article
Language:English
Published: IOP Publishing 2017-01-01
Series:New Journal of Physics
Subjects:
ultrastrong-coupling regime
virtual particles
Feynman diagrams
cavity-QED
quantum vacuum fluctuations
three-level quantum system
Online Access:https://doi.org/10.1088/1367-2630/aa6cd7

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