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Photo-Ionization of Noble Gases: A Demonstration of Hybrid Coupled Channels Approach

Physics Department, Ludwig Maximilians Universität, D-80333 Munich, Germany
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Photonics 2015, 2(1), 93-103; https://doi.org/10.3390/photonics2010093
Received: 15 December 2014 / Accepted: 14 January 2015 / Published: 16 January 2015
(This article belongs to the Special Issue Extreme UV Lasers: Technologies and Applications)
We present here an application of the recently developed hybrid coupled channels approach to study photo-ionization of noble gas atoms: Neon and Argon. We first compute multi-photon ionization rates and cross-sections for these inert gas atoms with our approach and compare them with reliable data available from R-matrix Floquet theory. The good agreement between coupled channels and R-matrix Floquet theory show that our method treats multi-electron systems on par with the well established R-matrix theory. We then apply the time dependent surface flux (tSURFF) method with our approach to compute total and angle resolved photo-electron spectra from Argon with linearly and circularly polarized 12 nm wavelength laser fields, a typical wavelength available from Free Electron Lasers (FELs). View Full-Text
Keywords: photo-ionization; coupled channels approach photo-ionization; coupled channels approach
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Majety, V.P.; Scrinzi, A. Photo-Ionization of Noble Gases: A Demonstration of Hybrid Coupled Channels Approach. Photonics 2015, 2, 93-103.

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