2025 Papers

Physical Review Research
Extracting RABBITT-like phase information from time-dependent transient absorption spectra
J. Jakob, C. Bauer, M.J. Ilhan, D. Bharti, C. Ott, T. Pfeifer, K. Bartschat, and A. Harth
Phys. Rev. Res. 7 (2025) 023244
Role of intermediate resonances in attosecond photoelectron interferometry in neon
M. Moioli, M.M. Popova, K.R. Hamilton, D. Ertel, D. Busto, I. Makos, M.D. Kiselev, S.N. Yudin, H. Ahmadi, C.D. Schröter, T. Pfeifer, R. Moshammer, E.V. Gryzlova, A.N. Grum-Grzhimailo, K. Bartschat, and G. Sansone
Phys. Rev. Res. 7 (2025) 023034
Opportunities for gas-phase science at short-wavelength free-electron lasers with undulator-based polarization control
M. Ilchen, E. Allaria, P.R. Ribič, H.-D. Nuhn, A. Lutman, E. Schneidmiller, M. Tischer, M. Yurkov, M. Calvi, E. Prat, S. Reiche, T. Schmidt, G.A. Geloni, S. Karabekyan, J. Yan, S. Serkez, Z. Gao, B. Deng, C. Feng, H. Deng, W. Helml, L. Funke, M. Larsson, V. Zhaunerchyk, M. Meyer, T. Mazza, T. Jahnke, R. Dörner, F. Calegari, O. Smirnova, C. Vozzi, G. De Ninno, J. Wätzel, J. Berakdar, S. Bari, L. Schwob, J. R. Rouxel, S. Mukamel, K. Bartschat, K. Hamilton, L. Argenti, N.Douguet, N. M. Novikovskiy, P. V. Demekhin, and P. Peter Walter
Phys. Rev. Res. 7 (2025) 011011

Atoms
Benchmark Calculations for Near-Threshold Electron-Impact Excitation of the (1s3s)^3,1S States of Helium
K. Bartschat, I. Bray, and D.V. Fursa
Atoms 13 (2025) 27
The Single-Active-Electron Approximation with Angular-Momentum-Dependent Potentials: Application to the Helium Atom
J.C. del Valle and K. Bartschat
Atoms 13 (2025) 43
Interfacing the B-Spline R-Matrix and R-Matrix with Time Dependence Computer Codes: An Update
J.C. del Valle, A.T. Bondy, S. Saha, K.R. Hamilton, and K. Bartschat
Atoms 13 (2025) 75