1. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses 11. 03. 2011. @ Bucharest-Magurele 1 Nuclear Coherent Population Transfer with X-Ray Laser Pulses ~One Step towards Nuclear Quantum Optics Max Planck Institute for Nuclear Physics, Germany Wen-Te Liao + + + + + + + + + Supervised by Dr. Adriana Pálffy Prof. Dr. Christoph H. Keitel

2. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Motivation-Control the nuclear state 2 isomer state 96.57 keV triggering level 656.90 keV 324.47 keV Nuclear Coherent Population Transfer (NCPT) Stokes pump isomer triggering

3. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Motivation-Nuclear Battery K. W. D. Ledingham, P. McKenna, and R. P. Singhal, Science 300, 1107 (2003) Stokes pump 3 isomer state ground state Store very large quantities of energy

4. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Drive MeV transition with 10keV photon 4 XFEL Photon energy ~10 keV Nuclear states 0 ~10 keV ~100 keV > MeV T. Tajima, Report on the ELI Science, p.14 (2009). T. J. Bürvenich, J. Evers and C. H. Keitel, PRL 96, 142501 (2006). Blue shift Accelerated Nuclei !! γ

5. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses 5 Ion accelerator and XFEL are NOT put together now

6. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses ELI will put compact ion-accelerators and Table-Top-XFELs together 6 T T-XFEL M. Fuchs et al., Nature Phys. 5, 826 (2009). compact ion-accelerator M. Dunne, Science 312, 374 (2006) NCPT

7. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses STIRAP Stokes Pump delay 7 K. Bergmann, H. Theuer and B. W. Shore, RMP. 70, 1003 (1998). stimulated Raman adiabatic passage (STIRAP)

8. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses XFEL 8 Temporal coherence is low. Coherence time ~ 0.2 fs The Technical Design Report of the European XFEL

9. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Seeded XFEL (SXFEL) E. L. Saldin et al., Nucl. Instrum. Meth. A 475, 357 (2001). 9 transversely and temporarily coherent

10. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses XFEL Oscillator (X-FELO) K.-J. Kim, Y. Shvydko and S. Reiche, PRL 100, 244802 (2008). Y. V. Shvydko et al., Nature Phys. 6, 196 (2010) transversely and temporarily coherent 10 Diamond Reflectivity ~ 100%

11. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Two Schemes Nuclear beam S P S P Cross One Color Scheme Central frequency of P and S are the same. Parallel Two Color Scheme Central frequency of P and S are different. 11 γ γ W.-T. Liao, A. Pálffy, C. H. Keitel, arXiv:1011.4423v1.

12. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Results for One-Color Scheme 12 Increased W.-T. Liao, A. Pálffy, C. H. Keitel, arXiv:1011.4423v1. Fully coherent XFEL: Photon energy = 25 keV Bandwidth = 2 meV 5 < γ < 36

13. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Conclusion NCPT can be observed with laser peak intensity >. 13 ELI-NP provide very unique stage for NCPT. W.-T. Liao, A. Pálffy, C. H. Keitel, arXiv:1011.4423v1. 1. 2.

14. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses Acknowledgement 14 Dr. Adriana Pálffy Prof. Dr. Christoph H. Keitel

15. Wen-Te Liao@ Magurele 11. 03. 2011 Nuclear Coherent Population Transfer with X-Ray Laser Pulses 15 Thanks for your attention