Cavity QED with cold atoms trapped in a double-well potential

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 77, Issue 3, 2008, Pages

  Zhang, J M ^a   Liu, W M ^a   Zhou, D L ^a  

^a INSTITUTE OF PHYSICS   (China)

Author keywords

[No Author keywords available]

Indexed keywords

ATOMIC BEAMS; CAVITY RESONATORS; ELECTRODYNAMICS; ELECTRON TRANSITIONS; ELECTRON TUNNELING; LASER OPTICS;

ATOMIC LEVEL SPLITTING; CAVITY MODES; CAVITY QED; COLD ATOMS;

ATOMIC PHYSICS;

EID: 41149095570     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.77.033620     Document Type: Article

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23. In fact, we have examined the behavior of the coherence of the atomic subsystem, as t is varied from the regime t κ to the (unrealistic) regime t κ. It is found that strong t enhances the coherence of the atomic subsystem.
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25. The divergence of τmax on the two sides is reasonable. If the pump is far from all possible resonances, the influence of the pump on the system is negligible, so it would take the system a time experimentally inaccessible to reach the steady state. In fact, since at steady state the atomic subsystem is highly decoherent [see Fig. 4], it is natural to expect that τmax is larger than the τmn 's, which diverge as Δ4 as Δ→±.
26. In the M -site case (M/2), the basis of the atomic space is { | | m1, m2,..., mM | i=1 M mi =N, mi 0 }. The term Hint = (i=1 M Ji ni) U0 a† a. As for Eq. 15, we can decompose the total density matrix ρ in this atomic basis, and subsequent procedures and results ensue.
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