Analysis of dynamical suppression of spontaneous emission

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 58, Issue 6, 1998, Pages 4886-4891

  Berman, P R ^a  

^a UNIVERSITY OF MICHIGAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION; ATOMS; DECOMPOSITION; EIGENVALUES AND EIGENFUNCTIONS; ELECTRIC EXCITATION; ELECTRON SCATTERING; ELECTRON TRANSITIONS; GROUND STATE; MATHEMATICAL TECHNIQUES; POLARIZATION; RADIATION;

DECOUPLING; DYNAMICAL SUPPRESSION; VACUUM RADIATION;

SPONTANEOUS EMISSION;

EID: 0032396893     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.58.4886     Document Type: Article

References (23)

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18. If the levels b and d are separated by a radio frequency, one can replace the static field by a radio-frequency field. In that case one sets (Formula presented) and replaces V by the Rabi frequency of the rf field (assuming the Rabi frequency is much less than (Formula presented).
19. Suppression of spontaneous emission still occurs if states (Formula presented) and (Formula presented) correspond to the same physical state (see Sec. III).
20. P. R. Berman and R. Salomaa, Phys. Rev. A 25, 2667 (1982).PLRAAN
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23. Normally, the reduction of scattering in a single direction does not constitute evidence for the vacuum coupling of the excited states. The scattering must vanish in all directions. For example, if an incident field is tuned between the (Formula presented) and (Formula presented) states of Na, there can be a total suppression of scattering for specific directions and polarizations of the scattered field, even though there is no vacuum coupling of these states. The decrease in scattering in some directions is compensated for by an increase in other directions. In the experiment of Xia et al., however, the existence of scattering in the triplet channel offers proof that states (Formula presented) and (Formula presented) each contain an admixture of singlet and triplet states; as such, each can be coupled to states (Formula presented) (or (Formula presented), leading to a vacuum coupling of states (Formula presented) and (Formula presented)