Ionisation processes of Rubidium in strong electromagnetic fields

2016. november 23., 08:29

A PTE Fizikai Intézete és a PAB Fizikai és Csillagászati Szakbizottsága szeretettel meghívja

Pocsai Mihály (PTE Fizikai Intézet, MTA Wigner Fizikai Kutatóközpont) Ionisation processes of Rubidium in strong electromagnetic fields című előadására

Helyszín: PTE-TTK, A/408. tanterem
Időpont: 2016. november 25., péntek 12.30

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We investigate the ionisation processes of rubidium in strong infra-red laser fields and in the electromagnetic field of a 400 GeV energy proton beam via ab initio calculations.We reduce the latter phenomena to photoionisation with the Weizsäcker–Williams method. The bound and the continuum states are described with Slater orbitals and Coulomb wavepackets, respectively. The bound state spectrum has been calculated with the variational method. Using this approach, ionisation processes can be studied successfully [1]. We investigate the effects of the shape and the parameters of the pulse to the photoionisation cross section. These calculations may provide a valuable contribution at the design of laser and plasma based novel accelerators, e.g. the CERN AWAKE experiment [2].

[1] I.F. Barna, J. Wang, J. Burgdörfer, Phys. Rev. A 73 (2006), 023402.
[2] E.Gschwendtner et. al: Proceedings of IPAC 2014, Dresden, Germany (2014), The AWAKE Experimental Facility at CERN.


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