Tore Birkeland

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We investigate the impact of electron-electron correlation on the ionization dynamics of helium in intense, high-frequency laser fields by solving the time-dependent Schrödinger equation from first principles. Although we observe a decrease in the total ionization yield at high field strengths, the hallmark of atomic stabilization, the repulsion between the(More)
c © 2007 by John von Neumann Institute for Computing Permission to make digital or hard copies of portions of this work for personal or classroom use is granted provided that the copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. To copy otherwise requires prior(More)
We present a novel scheme for quantum manipulation in ultrafast diatomic molecules. A pump mechanism is used to create a coherent superposition of the D + 2 vibrations. A short, intense, control pulse is applied, after a fractional coherence time, to create selective interferences. A 'chessboard' pattern of states can be realised in which the set of(More)
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