2009

1. L. Fernandez-Menchero, T. Kirchner, and H. J. Lüdde, Extension of the basis generator method for application to laser-molecule interactions, Phys. Rev. A 79, 023416
2. M. Schulz, R. Moshammer, D. Fischer, M. Dürr, J. Ullrich, A. Hasan, M. F. Ciappina, and T. Kirchner, Current status of kinematically complete studies of basic fragmentation processes in atomic systems, Nucl. Instr. and Meth. B 267, 187
3. M. Schulz, M. F. Ciappina, T. Kirchner, D. Fischer, R. Moshammer, and J. Ullrich, Role of elastic projectile-electron scattering in double ionization of helium by fast proton impact, to be published in Phys. Rev. A

2008

1. S. Knoop, D. Fischer, Y. Xue, M. Zapukhlyak, C. J. Osborne, Th. Ergler, T. Ferger, J. Braun, G. Brenner, H. Bruhns, C. Dimopoulou, S. W. Epp, A. J. Gonzalez Martinez, G. Sikler, R. Soria Orts, H. Tawara, T. Kirchner, J. R. Crespo Lopez-Urrutia, R. Moshammer, J. Ullrich, and R. Hoekstra, Single-electron capture in keV Ar^15+...18+ + He collisions , J. Phys. B 41, 195203
2. D. Strohschein, D. Röhrbein, T. Kirchner, S. Fritzsche, J. Baran, and J. A. Tanis, Nonstatistical enhancement of the 1s2s2p ⁴P state in electron transfer in 0.5-1.0 MeV/u C^4,5+ + He and Ne collisions, Phys. Rev. A 77, 022706
3. M. Zapukhlyak, T. Kirchner, A. Hasan, B. Tooke, and M. Schulz, Projectile angular-differential cross sections for transfer and transfer excitation in proton collisions with helium, Phys. Rev. A 77, 012720
4. L. Gulyas, A. Igarashi, P. D. Fainstein, and T. Kirchner, Single and double ionization of helium: the axial symmetry, J. Phys. B 41, 025202
5. M. F. Ciappina, M. Schulz, T. Kirchner, D. Fischer, R. Moshammer, and J. Ullrich, Double ionization of helium by ion impact analyzed using four-body Dalitz plots, Phys. Rev. A 77, 062706

2007

1. T. Spranger, M. Zapukhlyak, and T. Kirchner, Angular differential cross sections for multiple ionisation of rare gas atoms by protons with inclusion of Auger-like processes, J. Phys. B 40, 1081
2. T. Kirchner, Laser-field enhanced electron transfer in p-Ne and p-Ar collisions, Phys. Rev. A 75, 025401

2006

1. L. Gulyas, A. Igarashi, and T. Kirchner, Double ionization of helium by fast ion impact: Reexamination of the correlation function, Phys. Rev. A 74, 032713
2. A. Hasan, B. Tooke, M. Zapukhlyak, T. Kirchner, and M. Schulz, Kinematically complete experiment on transfer excitation in intermediate energy p+He collisions, Phys. Rev. A 74, 032703
3. T. Kirchner, H. Tawara, I. Yu. Toptikhina, A. D. Ulantsev, V. P. Shevelko, and Th. Stöhlker, Multielectron ionization of atoms by fast ions: an approximation by normalized exponentials, Technical Physics 51(9), 1127

2005

1. M. Keim, A. Werner, D. Hasselkamp, K. -H. Schartner, H. J. Lüdde, A. Achenbach, and T. Kirchner, Lyman-alpha polarisation after proton impact on atomic hydrogen, J. Phys. B 38, 4045
2. S. Knoop, M. Keim, H. J. Lüdde, T. Kirchner, R. Morgenstern, and R. Hoekstra, State selective single-electron capture in O⁶⁺-Na collisions, J. Phys. B 38, 3163
3. T. Kirchner, A. C. F. Santos, H. Luna, M. M. Sant'Anna, W. S. Melo, G. M. Sigaud, and E. C. Montenegro, Charge-state correlated cross sections for electron loss, capture, and ionization in C³⁺-Ne collisions, Phys. Rev. A 72, 012707
4. M. Zapukhlyak, T. Kirchner, H. J. Lüdde, S. Knoop, R. Morgenstern, and R. Hoekstra, Inner- and outer-shell electron dynamics in proton collisions with sodium atoms , J. Phys B 38, 2353
5. H. Bräuning, R. Trassl, A. Theiß, A. Diehl, E. Salzborn, M. Keim, A. Achenbach, H. J. Lüdde, and T. Kirchner, Charge transfer in Li²⁺ + He²⁺ and Li²⁺ + Li³⁺ collisions, J. Phys. B 38, 2311
6. T. Kirchner, Pauli blocking and laser manipulation of the electron dynamics in atomic collisions, Nucl. Instr. and Meth. B 233, 151
7. M. Keim, A. Achenbach, H. J. Lüdde, and T. Kirchner, Time-dependent density functional theory calculations for collisions of bare ions with helium, Nucl. Instr. and Meth. B 233, 240

2004

1. T. Spranger and T. Kirchner, Auger-like processes in multiple ionisation of noble gas atoms by protons, J. Phys. B 37, 4159
2. L. Gulyas and T. Kirchner, Ionization of Ar by energetic proton impact , Phys. Rev. A 70, 022704
3. T. Kirchner, H. J. Lüdde, and M. Horbatsch, Nonperturbative study of the rearrangement dynamics in ion-atom collisions with active electrons on projectile and target , Phys. Scripta T110, 364
4. T. Kirchner, Laser-field induced modifications of electron transfer processes in ion-atom collisions , Phys. Rev. A 69, 063412
5. T. Kirchner, H. J. Lüdde, and M. Horbatsch, A time-dependent quantal approach to electronic transitions in atomic collisions , Recent Res. Devel. Physics, 5, 433
6. T. Kirchner, M. Horbatsch, and H. J. Lüdde, Consistent coupled mean-field description of electron removal processes in He⁺-Ne and He⁺-Ar collisions, J. Phys. B 37, 2379
7. J. A. Tanis, A. L. Landers, D. J. Pole, A. S. Alnaser, S. Hossain, and T. Kirchner, Evidence for Pauli exchange leading to excited-state enhancement in electron transfer , Phys. Rev. Lett. 92, 133201
8. T. Kirchner, M. Horbatsch, M. Keim, and H. J. Lüdde, State-selectice electron capture calculations for p-Ar collisions in an independent many-electron model , Phys. Rev. A 69, 012708

2003

1. M. Keim, A. Achenbach, H. J. Lüdde, and T. Kirchner, Microscopic response effects in collisions of antiprotons with helium atoms and lithium ions, Phys. Rev. A 67, 062711
2. T. Kirchner, Electron interaction effects in ion-induced rearrangement and ionization dynamics: a theoretical perspective, in: Many-Particle Quantum Dynamics in Atomic and Molecular Fragmentation, ed. by V. P. Shevelko and J. Ullrich, (Springer, Heidelberg 2003)
3. T. Kirchner, L. Gulyas, R. Moshammer, M. Schulz, and J. Ullrich, Correlation effects in differential electron-emission spectra obtained from double ionization of He by fast Au⁵³⁺ impact, Nucl. Instr. and Meth. B 205, 479

2002

1. T. Kirchner, M. Horbatsch, and H. J. Lüdde, Time-dependent independent particle model calculation of multiple capture and ionization processes in p⁺-Ar, p^--Ar, and He²⁺-Ar collisions, Phys. Rev. A 66, 052719
2. H. J. Lüdde, T. Kirchner, and M. Horbatsch, Quantum mechanical treatment of ion collisions with many-electron atoms , in: Photonic, Electronic, and Atomic Collisions , ed. by. J. Burgdörfer et al., Rinton Press, Princeton, p. 708.
3. T. Kirchner, Manipulating ion-atom collisions with coherent electromagnetic radiation , Phys. Rev. Lett. 89, 093203
4. T. Kirchner, L. Gulyas, R. Moshammer, M. Schulz, and J. Ullrich, Doubly differential electron emission spectra in single and multiple ionization of noble gas atoms by fast highly-charged ion impact , Phys. Rev. A 65, 042727
5. T. Kirchner, M. Horbatsch, E. Wagner, and H. J. Lüdde, Modelling of polarization and correlation effects in the ionization of helium by antiprotons , J. Phys. B 35, 925

2001

1. D. Skiera, R. Trassl, K. Huber, H. Bräuning, E. Salzborn, M. Keim, A. Achenbach, T. Kirchner, H. J. Lüdde, and R. M. Dreizler, Charge-changing processes in collisions between Li-like ions and He²⁺ , Physica Scripta T92, 423
2. T. Kirchner and L. Gulyas, Differential net- and multiple-ionization cross sections in fast highly-charged ion collisions with atoms , Phys. Scripta, T92, 348
3. T. Kirchner, M. Horbatsch, and H. J. Lüdde, Nonperturbative calculation of charge-changing processes in C⁴⁺ scattering from neon atoms , Phys. Rev. A 64, 012711
4. T. Kirchner and M. Horbatsch, Nonperturbative calculation of projectile-electron loss, target ionization, and capture in He⁺ + Ne collisions , Phys. Rev. A 63, 062718

2000

1. T. Kirchner, M. Horbatsch, H. J. Lüdde and R. M. Dreizler, Time-dependent screening effects in ion-atom collisions with many active electrons , Phys. Rev. A 62, 042704
2. L. Gulyas, T. Kirchner, T. Shirai and M. Horbatsch, Origin of structures in the low-energy single-electron continuum in calculations for ion collisions from argon , Phys. Rev. A 62, 022702
3. T. Kirchner, H. J. Lüdde, M. Horbatsch and R. M. Dreizler, Quantum mechanical description of ionization, capture and excitation in proton collisions with atomic oxygen , Phys. Rev. A 61, 052710
4. T. Kirchner, H. J. Lüdde and R. M. Dreizler, Effective single-particle description of single and multiple processes in p^+/- + Ne collisions, Phys. Rev. A 61, 012705

1999

1. T. Kirchner, H. J. Lüdde and R. M. Dreizler, Many electron dynamics in collisions between highly charged ions and neon atoms , Phys. Scripta T80, 416
2. T. Kirchner, M. Keim, A. Achenbach, H. J. Lüdde, O. J. Kroneisen and R. M. Dreizler, Basis generator method study of collisions between alpha particles and lithium-like ions , Phys. Scripta T80, 270
3. T. Kirchner, H. J. Lüdde, O. J. Kroneisen and R. M. Dreizler, New trends in the description of ion-atom collisions by time-dependent quantum methods , Nucl. Instr. and Meth. B 154, 46
4. O. J. Kroneisen, H. J. Lüdde, T. Kirchner and R. M. Dreizler, The basis generator method: optimized dynamical representation of the solution of time-dependent quantum problems , J. Phys. A 32, 2141
5. D. Elizaga, L. F. Errea, J. D. Gorfinkiel, C. Illescas, L. Mendez, A. Riera, A. Rojas, A. Macias, O. J. Kroneisen, T. Kirchner, H. J. Lüdde, A. Henne and R. M. Dreizler, Theoretical analysis of electron capture and electron-loss in Be⁴⁺ + H₂ and H⁺ + H₂ collisions, J. Phys. B 32, 857

1998

1. T. Kirchner, L. Gulyas, H. J. Lüdde, E. Engel and R. M. Dreizler, Influence of electronic exchange on single and multiple processes in collisions between bare ions and noble gas atoms, Phys. Rev. A 58, 2063

1997

1. T. Kirchner, L. Gulyas, H. J. Lüdde, A. Henne, E. Engel and R. M. Dreizler, Electronic exchange effects in p+Ne and p+Ar collisions, Phys. Rev Lett. 79, 1658

1996

1. H. J. Lüdde, A. Henne, T. Kirchner and R. M. Dreizler, Optimized dynamical representation of the solution of time- dependent quantum problems, J. Phys. B 29, 4423