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Local-field correction to the spontaneous decay rate of atoms embedded in bodies of finite size

Local-field correction to the spontaneous decay rate of atoms embedded in bodies of finite size

The influence of the size and shape of a dispersing and absorbing dielectric body on the local-field-corrected spontaneous decay of an excited atom embedded in a body is studied on the basis of the real-cavity model. By means of a Born expansion of the Green tensor of the system it …