Spontaneous Emission from Tunneling Two-Level Atoms

Y. Japha and G. Kurizki
Phys. Rev. Lett. 77, 2909 – Published 30 September 1996
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Abstract

We put forward a theory of excitation decay in two-level atoms that tunnel through a square potential barrier while spontaneously emitting photons into an effectively one-dimensional mode continuum. The resulting decoherence can exponentially enhance the total tunneling probability. This enhancement is due to atoms whose final kinetic energy is raised above the barrier by the emission of photons detuned below resonance.

  • Received 8 July 1996

DOI:https://doi.org/10.1103/PhysRevLett.77.2909

©1996 American Physical Society

Authors & Affiliations

Y. Japha and G. Kurizki

  • Department of Chemical Physics, The Weizmann Institute of Science, Rehovot, Israel 76100

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Vol. 77, Iss. 14 — 30 September 1996

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