|
| related topics |
| {spin, pulse, spins} |
| {time, wave, function} |
| {equation, function, exp} |
| {cos, sin, state} |
| {operator, operators, space} |
| {temperature, thermal, energy} |
| {level, atom, field} |
| {time, decoherence, evolution} |
| {error, code, errors} |
|
Time-dependent unitary perturbation theory for intense laser driven
molecular orientation
D. Sugny, A. Keller, O. Atabek, D. Daems, S. Guérin, H. R. Jauslin
abstract: We apply a time-dependent perturbation theory based on unitary
transformations combined with averaging techniques, on molecular orientation
dynamics by ultrashort pulses. We test the validity and the accuracy of this
approach on LiCl described within a rigid-rotor model and find that it is more
accurate than other approximations. Furthermore, it is shown that a noticeable
orientation can be achieved for experimentally standard short laser pulses of
zero time average. In this case, we determine the dynamically relevant
parameters by using the perturbative propagator, that is derived from this
scheme, and we investigate the temperature effects on the molecular orientation
dynamics.
- oai_identifier:
- oai:arXiv.org:quant-ph/0401030
- categories:
- quant-ph
- comments:
- 16 pages, 6 figures
- doi:
- 10.1103/PhysRevA.69.043407
- arxiv_id:
- quant-ph/0401030
- journal_ref:
- Phys. Rev. A 69, 043407 (2004)
- created:
- 2004-01-07
Full article ▸
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