Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Time-dependent spectra of a three-level atom in the presence of electron
  shelving   We investigate time-dependent spectra of the intermittent resonance
fluorescence of a single, laser-driven, three-level atom due to electron
shelving. After a quasi-stationary state of the strong transition, a slow decay
due to shelving leads to the steady state of the three-level system. The
long-term stationary spectrum consists of a coherent peak, an incoherent
Mollow-like structure, and a very narrow incoherent peak at the laser
frequency. We find that in the ensemble average dynamics the narrow peak
emerges during the slow decay regime, after the Mollow spectrum has stabilized,
but well before an average dark time has passed. The coherent peak, being a
steady state feature, is absent during the time evolution of the spectrum

9
The categories of this paper are: nlin
25
The categories of this paper are: patt-sol
36
The categories of this paper are: cmp-lg
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
1
The categories of this paper are: cs
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
12
The categories of this paper are: nucl-th
27
The categories of this paper are: comp-gas
3
The categories of this paper are: physics