Physics – Atomic Physics
Scientific paper
2011-10-28
Phys. Rev. A 85, 013411 (2012)
Physics
Atomic Physics
25 pages, 7 figures, 1 table
Scientific paper
10.1103/PhysRevA.85.013411
Electromagnetically induced transparency-like behavior in the extreme ultraviolet (XUV) is studied theoretically, including the effect of intense 800 nm laser dressing of He 2s2p (1Po) and 2p^2 (1Se) autoionizing states. We present an ab initio solution of the time-dependent Schrodinger equation (TDSE) in an LS-coupling configuration interaction basis set. The method enables a rigorous treatment of optical field ionization of these coupled autoionizing states into the N = 2 continuum in addition to N = 1. Our calculated transient absorption spectra show encouraging agreement with experiment.
Greene Chris H.
Tarana Michal
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