Physics – Atomic Physics
Scientific paper
2007-10-12
Physics
Atomic Physics
8 pages, 4 figures; v2: Added some extra clarifications; v3: minor grammatical changes
Scientific paper
10.1088/0953-4075/41/7/074009
The tomographic imaging of arbitrary molecular orbitals via high-order harmonic generation requires that electrons recollide from one direction only. Within a semi-classical model, we show that extremely short phase-stabilized laser pulses offer control over the momentum distribution of the returning electrons. By adjusting the carrier-envelope phase, recollisions can be forced to occur from mainly one side, while retaining a broad energy spectrum. The signatures of the semi-classical distributions are observed in harmonic spectra obtained by numerical solution of the time-dependent Schr\"{o}dinger equation.
der Zwan Elmar V. van
Lein Manfred
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