Physics – Quantum Physics
Scientific paper
2010-11-19
Phys. Lett. B 705 (2011) 134-138
Physics
Quantum Physics
extended argument about experimental feasibility, added references, results unchanged; v3 updated to the published version
Scientific paper
10.1016/j.physletb.2011.09.107
Coherent population transfer between nuclear states using x-ray laser pulses is studied. The laser pulses drive two nuclear transitions between three nuclear states in a setup reminding of stimulated Raman adiabatic passage used for atomic coherent population transfer. To compensate for the lack of $\gamma$-ray laser sources, we envisage accelerated nuclei interacting with two copropagating or crossed x-ray laser pulses. The parameter regime for nuclear coherent population transfer using fully coherent light generated by future X-Ray Free-Electron Laser facilities and moderate or strong acceleration of nuclei is determined. We find that the most promising case requires laser intensities of $10^{17}$-$10^{19}$ W/cm$^{2}$ for complete nuclear population transfer. As relevant application, the controlled pumping or release of energy stored in long-lived nuclear states is discussed.
Keitel Christoph H.
Liao Wen-Te
Pálffy Adriana
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