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Scattering of two-level atoms by delta lasers: Exactly solvable models in atom optics
D. Seidel, J. G. Muga, G. C. Hegerfeldt
We study the scattering of two-level atoms at narrow laser fields, modeled by a -shape intensity profile. The unique properties of these potentials allow us to give simple analy…
Exact propagators for atom-laser interactions
A. del Campo, J. G. Muga
A class of exact propagators describing the interaction of an -level atom with a set of on-resonance -lasers is obtained by means of the Laplace transform method. State-selec…
Vibronic "Rabi resonances" in harmonic and hard-wall ion-traps for arbitrary laser intensity and detuning
I. Lizuain, J. G. Muga
We investigate laser-driven vibronic transitions of a single two-level atomic ion in harmonic and hard wall traps. In the Lamb-Dicke regime, for tuned or detuned lasers with respec…
Ramsey interferometry with oppositely detuned fields
D. Seidel, J. G. Muga
We report a narrowing of the interference pattern obtained in an atomic Ramsey interferometer if the two separated fields have different frequency and their phase difference is con…
Preparation of atomic velocities by bound-state to resonance conversion
F. Delgado, A. Ruschhaupt, J. G. Muga
A procedure is proposed to control the average and width of the velocity distribution of ultra-cold atoms. The atoms are set initially in a bound state of an optical trap formed by…
Decay by tunneling of Bosonic and Fermionic Tonks-Girardeau Gases
A. del Campo, F. Delgado, G. Garcia-Calderon +2
We study the tunneling dynamics of bosonic and fermionic Tonks-Girardeau gases from a hard wall trap, in which one of the walls is substituted by a delta potential. Using the Fermi…