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L Ph H Schmidt

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Articles 54
Citations 148
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Recent Articles
1.
Melzer N, Kircher M, Pier A, Kaiser L, Kruse J, Anders N, et al.
Phys Rev Lett . 2024 Nov; 133(18):183002. PMID: 39547184
We report a fully differential study of ionization of the Ne L shell by Compton scattering of 20 keV photons. We find two physical mechanisms that modify the Compton-electron emission....
2.
Schmidt M, Melzer N, Kircher M, Kastirke G, Pier A, Kaiser L, et al.
Phys Rev Lett . 2024 Jun; 132(23):233002. PMID: 38905657
We experimentally study the influence of the binding energy on nondipole effects in K-shell single-photon ionization of atoms at high photon energies. We find that for each ionization event, as...
3.
Artemyev A, Tomar R, Trabert D, Kargin D, Kutscher E, Schoffler M, et al.
Phys Rev Lett . 2024 Apr; 132(12):123202. PMID: 38579236
We studied strong-field multiphoton ionization of 1-iodo-2-methylbutane enantiomers with 395 nm circularly polarized laser pulses experimentally and theoretically. For randomly oriented molecules, we observe spin polarization up to about 15%,...
4.
Kastirke G, Ota F, Rezvan D, Schoffler M, Weller M, Rist J, et al.
Phys Chem Chem Phys . 2022 Nov; 24(44):27121-27127. PMID: 36342321
During the last decade, X-ray free-electron lasers (XFELs) have enabled the study of light-matter interaction under extreme conditions. Atoms which are subject to XFEL radiation are charged by a complex...
5.
Kircher M, Trinter F, Grundmann S, Kastirke G, Weller M, Vela-Perez I, et al.
Phys Rev Lett . 2022 Feb; 128(5):053001. PMID: 35179929
We present the momentum distributions of the nucleus and of the electrons from double ionization of the helium atom by Compton scattering of photons with hν=40  keV. We find that...
6.
Trabert D, Anders N, Brennecke S, Schoffler M, Jahnke T, Schmidt L, et al.
Phys Rev Lett . 2022 Jan; 127(27):273201. PMID: 35061406
We present experimental data on the nonadiabatic strong field ionization of atomic hydrogen using elliptically polarized femtosecond laser pulses at a central wavelength of 390 nm. Our measured results are...
7.
Fehre K, Novikovskiy N, Grundmann S, Kastirke G, Eckart S, Trinter F, et al.
Phys Rev Lett . 2021 Sep; 127(10):103201. PMID: 34533326
We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s photoelectrons in coincidence with fragment ions, we deduce the molecule's...
8.
Trabert D, Brennecke S, Fehre K, Anders N, Geyer A, Grundmann S, et al.
Nat Commun . 2021 Mar; 12(1):1697. PMID: 33727546
When a very strong light field is applied to a molecule an electron can be ejected by tunneling. In order to quantify the time-resolved dynamics of this ionization process, the...
9.
Fehre K, Eckart S, Kunitski M, Janke C, Trabert D, Hofmann M, et al.
Phys Rev Lett . 2021 Mar; 126(8):083201. PMID: 33709766
We investigate the differential ionization probability of chiral molecules in the strong-field regime as a function of the helicity of the incident light. To this end, we analyze the fourfold...
10.
Hartung A, Brennecke S, Lin K, Trabert D, Fehre K, Rist J, et al.
Phys Rev Lett . 2021 Feb; 126(5):053202. PMID: 33605768
Strong-field ionization of atoms by circularly polarized femtosecond laser pulses produces a donut-shaped electron momentum distribution. Within the dipole approximation this distribution is symmetric with respect to the polarization plane....