Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Coarse grained and fine dynamics in trapped ion Raman schemes   A novel result concerning Raman coupling schemes in the context of trapped
ions is obtained. By means of an operator perturbative approach, it is shown
that the complete time evolution of these systems (in the interaction picture)
can be expressed, with a high degree of accuracy, as the product of two unitary
evolutions. The first one describes the time evolution related to an effective
coarse grained dynamics. The second is a suitable correction restoring the {\em
fine} dynamics suppressed by the coarse graining performed to adiabatically
eliminate the nonresonantly coupled atomic level.

34
The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
28
The categories of this paper are: alg-geom
30
The categories of this paper are: q-alg
8
The categories of this paper are: hep-ex