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Spin Qubits Silicon Quantum Computing Quantum Chemistry

Strong-field above-threshold photoemission from sharp metal tips

arXiv
Authors: Markus Schenk, Michael Krüger, Peter Hommelhoff

Year

2010

Paper ID

11261

Status

Preprint

Abstract Read

~2 min

Abstract Words

87

Citations

N/A

Abstract

We present energy-resolved measurements of electron emission from sharp metal tips driven with low energy pulses from a few-cycle laser oscillator. We observe above-threshold photoemission with a photon order of up to 9. At a laser intensity of 2*10^11 W/cm^2 suppression of the lowest order peak occurs, indicating the onset of strong-field effects. We also observe peak shifting linearly with intensity with a slope of around -1.8eV / 1012 W/cm2. We attribute the magnitude of the laser field effects to field enhancement taking place at the tip's surface.

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  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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  • We present energy-resolved measurements of electron emission from sharp metal tips driven with low energy pulses from a few-cycle laser oscillator.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1009.2872 [2] arXiv https://arxiv.org/abs/1009.2872 [3] Publisher https://arxiv.org/abs/1009.2872

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