Atom-environment perturbation approach for electric dipole transitions: Deriving local field corrections without cavity assumptions

 Atom-environment perturbation approach for electric dipole transitions: Deriving local field corrections without cavity assumptions

In this study, we analyze electric dipole (ED) transitions between atomic states by treating the atom and its surrounding environment as a unified system under the influence of an electromagnetic (EM) wave. 
By introducing an Atom-Environment Perturbation Approach and incorporating electron-electron interactions mediated by the environment, we derived both the Lorentz and Reactive fields without depending on cavity assumptions for the atom inside dielectric. 
The dependence on the dielectric constant results from an averaging procedure within the dielectric region. The number of electrons in the atom's highest-energy orbital determines when the reactive field should be taken into account. 
Our findings highlight the reactive field as the fundamental microscopic distinction between the virtual-cavity and real-cavity models.

Global Particle Physics Excellence Awards


#Sciencefather 
#QuantumElectrodynamics
 #LocalFieldEffects 
#DipoleTransitions 
#AtomEnvironmentPerturbation 
#ElectromagneticInteractions 
#QuantumOptics 
#Nanophotonics

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