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Giant Lamb shift in photonic crystals

Wang, Xue-Hua; Gu, Ben-Yuan; Kivshar, Yuri


We obtain a general result for the Lamb shift of excited states of multilevel atoms in inhomogeneous electromagnetic structures and apply it to study atomic hydrogen in inverse-opal photonic crystals. We find that the photonic-crystal environment can lead to very large values of the Lamb shift, as compared to the case of vacuum. We also suggest that the position-dependent Lamb shift should extend from a single level to a miniband for an assembly of atoms with random distribution in space,...[Show more]

CollectionsANU Research Publications
Date published: 2004-08-10
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.93.073901


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