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Strong-field control of x-ray absorption

R Santra, C Buth, E R Peterson, R W Dunford, E P Kanter, B Krässig, S H Southworth and L Young

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Strong optical laser fields modify the way x rays interact with matter. This allows us to use x rays to gain deeper insight into strong-field processes. Alternatively, optical lasers may be utilized to control the propagation of x rays through a medium. Gas-phase systems are particularly suitable for illustrating the basic principles underlying combined x-ray and laser interactions. Topics addressed include the impact of spin-orbit interaction on the alignment of atomic ions produced in a strong laser field, electromagnetically induced transparency in the x-ray regime, and laser-induced alignment of molecules.


PACS

32.30.Rj X-ray spectra

42.50.Gy Effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption

32.80.Fb Photoionization of atoms and ions

42.50.Md Optical transient phenomena: quantum beats, photon echo, free-induction decay, dephasings and revivals, optical nutation, and self-induced transparency

34.50.-s Scattering of atoms and molecules

42.50.Hz Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift

Subjects

Atomic and molecular physics

Optics, quantum optics and lasers

Dates

Issue 1 (2007)



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