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Study of the possib...
Study of the possibilities with combinations of circularly and linearly polarized light for attosecond delay investigations
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- Sörngård, Johanna (författare)
- Stockholm University,Stockholms universitet,Fysikum
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- Dahlström, J. M. (författare)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Lindroth, Eva (författare)
- Stockholm University,Stockholms universitet,Fysikum
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(creator_code:org_t)
- 2020-06-09
- 2020
- Engelska.
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Ingår i: Journal of Physics B. - : IOP Publishing. - 0953-4075 .- 1361-6455. ; 53:13
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Abstract
Ämnesord
Stäng
- We present calculations on the atomic delay in photoionzation obtained with different combinations of linearly and circularly polarized light, and show how a tensor operator approach can be used to readily obtain results for any combination from a single calculation of the radial integrals. We find that for certain choices of polarization and detection geometry a single time-delay measurement is enough to extract the atomic delay since the relative phase in a RABBIT type measurement will be imprinted on the photo electron anisotropy. We show further that the full angular dependence can be qualitatively understood from a plane wave analysis. The results are illustrated by many-body calculations of two-photon above threshold ionization on argon.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- attosecond delay
- delay in ionization
- RABBIT
- circular polarization
- angular momentum theory
- many-body perturbation theory
- random-phase approximation with exchange
- angular momentum theory
- attosecond delay
- circular polarization
- delay in ionization
- many-body perturbation theory
- RABBIT
- random-phase approximation with exchange
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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