# HI Jena

 2019-06-2410:36 [GSI-2019-00753] Journal Article et al HILITE-A tool to investigate interactions of matter and light X-ray spectrometry 2019, 1-4 (2019) [10.1002/xrs.3087] 2019-06-1409:32 [GSI-2019-00739] Journal Article Rykovanov, S. G. Optimizing Laser Pulses for Narrow-Band Inverse Compton Sources in the High-Intensity Regime Physical review letters 122(20), 204802 (2019) [10.1103/PhysRevLett.122.204802] 2019-06-1409:30 [GSI-2019-00738] Journal Article Karbstein, F. All-Loop Result for the Strong Magnetic Field Limit of the Heisenberg-Euler Effective Lagrangian Physical review letters 122(21), 211602 (2019) [10.1103/PhysRevLett.122.211602] We provide an explicit expression for the strong magnetic field limit of the Heisenberg-Euler effective Lagrangian for both scalar and spinor quantum electrodynamics. To this end, we show that the strong magnetic field behavior is fully determined by one-particle reducible contributions discovered only recently. [...] OpenAccess: PDF; 2019-06-1214:32 [GSI-2019-00732] Journal Article/Contribution to a conference proceedings et al The hyperfine puzzle of strong-field bound-state QED 7th International Conference on Trapped Charged Particles and Fundamental Physics, TCP 2018, Traverse CityTraverse City, USA, 30 Sep 2018 - 5 Oct 2018 Hyperfine interactions 240(1), 51 (2019) [10.1007/s10751-019-1569-8] 2019-06-1214:19 [GSI-2019-00731] Journal Article et al Single nanowire defined emission properties of ZnO nanowire arrays Journal of physics / D Applied physics D 52(29), 295101 (2019) [10.1088/1361-6463/ab1a92] OpenAccess: PDF; 2019-06-1214:12 [GSI-2019-00730] Journal Article et al Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in $^{217 , 218 , 219}$At revealed by in-source laser spectroscopy Physical review / C covering nuclear physics 99(5), 054317 (2019) [10.1103/PhysRevC.99.054317] OpenAccess: PDF; 2019-06-1213:57 [GSI-2019-00729] Journal Article Kohlfürst, C. Spin states in multiphoton pair production for circularly polarized light Physical review / D D 99(9), 096017 (2019) [10.1103/PhysRevD.99.096017] Scalar and fermionic particle pair production in rotating electric fields is investigated in the nonperturbative multiphoton regime. Angular momentum distribution functions in above-threshold pair production processes are calculated numerically within quantum kinetic theory and discussed on the basis of a photon absorption model. [...] OpenAccess: PDF; 2019-06-1213:54 [GSI-2019-00728] Journal Article Torgrimsson, G. Single and double nonlinear Compton scattering Physical review / D D 99(9), 096018 (2019) [10.1103/PhysRevD.99.096018] We study single, double and higher-order nonlinear Compton scattering where an electron interacts nonlinearly with a high-intensity laser and emits one, two or more photons. We study, in particular, how double Compton scattering is separated into one-step and two-step parts, where the latter is obtained from an incoherent product of two single-photon emissions. [...] OpenAccess: PDF; 2019-06-1209:06 [GSI-2019-00725] Journal Article et al Relativistic Interaction of Long-Wavelength Ultrashort Laser Pulses with Nanowires Physical review / X Expanding access X 9(2), 021029 (2019) [10.1103/PhysRevX.9.021029] We report on experimental results in a new regime of relativistic light-matter interaction employing midinfrared (3.9-mu m wavelength) high-intensity femtosecond laser pulses. In the laser-generated plasma, electrons reach relativistic energies already for rather low intensities due to the fortunate lambda(2) scaling of the kinetic energy with the laser wavelength. [...] OpenAccess: PDF; 2019-05-3113:19 [GSI-2019-00695] Journal Article/Contribution to a conference proceedings et al Towards experiments with highly charged ions at HESR 19th international Conference on Physics of Highly Charge Ions, LisboaLisboa, Portugal, 3 Sep 2018 - 7 Sep 2018 X-ray spectrometry xrs.3041 (2019) [10.1002/xrs.3041]