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Theoretical Description of Time-Resolved Photoemission Spectroscopy: Application to Pump-Probe Experiments

Freericks, JK and Krishnamurthy, HR and Pruschke, Th (2009) Theoretical Description of Time-Resolved Photoemission Spectroscopy: Application to Pump-Probe Experiments. In: Physical Review Letters, 102 (13). pp. 136401-1.

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Abstract

The theory for time-resolved, pump-probe, photoemission spectroscopy and other pump-probe experiments is developed. The formal development is completely general, incorporating all of the nonequilibrium effects of the pump pulse and the finite time width of the probe pulse, and including possibilities for taking into account band structure and matrix element effects, surface states, and the interaction of the photoexcited electrons with the system leading to corrections to the sudden approximation. We also illustrate the effects of windowing that arise from the finite width of the probe pulse in a simple model system by assuming the quasiequilibrium approximation.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 01 Jan 2010 11:10
Last Modified: 19 Sep 2010 05:30
URI: http://eprints.iisc.ernet.in/id/eprint/19934

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