Nuclear coherent population transfer with X-ray laser pulses

Wen Te Liao, Adriana Pálffy, Christoph H. Keitel

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


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.

Original languageEnglish
Pages (from-to)134-138
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
StatePublished - 3 Nov 2011


  • Gamma transitions and levels
  • Isomer decay
  • Nuclear quantum optics
  • X-ray and gamma-ray lasers


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