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 γ-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 1017-1019 W/cm2 for complete nuclear population transfer. As relevant application, the controlled pumping or release of energy stored in long-lived nuclear states is discussed. © 2011 Elsevier B.V.
Liao, W. T., Pálffy, A., & Keitel, C. H. (2011). Nuclear coherent population transfer with X-ray laser pulses. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 705(1–2), 134–138. https://doi.org/10.1016/j.physletb.2011.09.107