Quantum electrodynamics near a photonic band gap: Photon bound states and dressed atoms

Sajeev John and Jian Wang
Phys. Rev. Lett. 64, 2418 – Published 14 May 1990
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Abstract

It is shown that in dielectrics exhibiting a complete photonic band gap, quantum electrodynamics predicts the occurrence of bound states of photons to hydrogenic atoms. When the atomic transition frequency lies near a photonic band edge, the excited atomic level experiences an anomalous Lamb shift and splits into a doublet. One member of this doublet exhibits resonance fluorescence whereas the other level is dressed by the emission and reabsorption of near-resonant photons whose amplitude decays exponentially from the vicinity of the atom.

  • Received 12 February 1990

DOI:https://doi.org/10.1103/PhysRevLett.64.2418

©1990 American Physical Society

Authors & Affiliations

Sajeev John and Jian Wang

  • Department of Physics, University of Toronto, 60 St. George Street, Toronto, Ontario Canada M5S 1A7

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Vol. 64, Iss. 20 — 14 May 1990

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