Publications
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127. |
An improved upper limit on the neutrino mass from a direct kinematic method by KATRIN
|
126. |
First operation of the KATRIN experiment with tritium
|
125. |
High-resolution spectroscopy of gaseous 83mKr conversion electrons with the KATRIN experiment
|
124. |
Gamma-induced background in the KATRIN main spectrometer
|
123. |
Muon-induced background in the KATRIN main spectrometer
|
122. |
Scaling relations of the time-dependent Dirac equation
describing multiphoton ionization of hydrogenlike ions |
121. |
Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment |
120. |
The KATRIN superconducting magnets: overview and first performance results |
119. |
Calibration of high voltages at the ppm level by
the difference of 83mKr conversion electron lines at the KATRIN experiment |
118. |
First transmission of electrons and ions through the KATRIN beamline |
117. |
Limit on Excitation and Stabilization of Atoms in Intense Optical Laser Fields |
116. |
The electron capture in 163Ho experiment – ECHo |
115. |
Tunnel-induced Dipolar Resonances in a Double-well Potential |
114. |
Imaging of the umbrella motion and tunneling in ammonia molecules by strong-field ionization |
113. |
Theory of inelastic confinement-induced
resonances due to the coupling of center-of-mass and relative
motion |
112. |
Recent Results for the ECHo Experiment |
111. |
Inelastic Confinement-Induced Resonances in Quantum Dots |
110. |
Resonances in ultracold dipolar atomic and molecular gases
|
109. |
Ionization behavior of molecular hydrogen in intense laser fields: Influence of molecular vibration and alignment
|
108. |
Ultracold-atom quantum simulator for attosecond science |
107. |
A study of one-dimensional transport of Bose-Einstein condensates using exterior complex scaling |
106. |
Wavelength- and Alignment-Dependent Photoionization of N2 and O2 |
105. |
Multiple orbital contributions to molecular high-harmonic generation in an asymmetric top |
104. |
Exact band structures for 1D superlattices beyond the tight-binding approximation |
103. |
Two-channel Bose-Hubbard model of atoms at a Feshbach resonance |
102. |
Coherent molecule formation in anharmonic potentials near confinement-induced resonances |
101. |
Theoretical study of the inversion motion of the ammonia cation with subfemtosecond resolution for high-harmonic spectroscopy |
100. |
Observing Rydberg Atoms to Survive Intense Laser Fields Phys. Rev. Lett. 110, 203002 1-5 (2013). |
99. |
Non-perturbative theoretical description of two atoms in an optical lattice with time-dependent perturbations Phys. Rev. A 87, 053413 1-8 (2013). |
98. |
Matrix algorithm for solving Schrödinger equations with position-dependent mass or complex optical potentials Phys. Rev. E 86, 016701 1-9 (2012). |
97. |
Water Molecules in Ultrashort Intense Laser Fields Chem. Phys. 414, 45-52 (2013); arXiv:1112.2618. |
96. |
Theoretical description of two ultracold atoms in finite three-dimensional optical lattices using realistic interatomic interaction potentials Phys. Rev. A 84, 062710 (2011). |
95. |
Inelastic Confinement-Induced Resonances in Low-Dimensional Quantum Systems Phys. Rev. Lett. 109, 073201 1-5 (2012). |
94. |
Quantum computation with ultracold atoms in a driven optical lattice Phys. Rev. A (Rapid Communication) 85, 050304(R) (2012). |
93. |
Strong field ionization to multiple electronic states in water Phys. Rev. Lett. 107, 083001 (2011). |
92. |
Solution of the time-dependent Dirac equation for describing multiphoton ionization of highly-charged hydrogenlike ions Phys. Rev. A 85, 033411 (2012). |
91. |
Accurate non-relativistic photoionization cross section for He at non-resonant photon energies J. Phys. B 44, 035004 1-10 (2011) . |
90. |
Comment on ``Coherent shift of localized bound pairs in the Bose-Hubbard model'' Phys. Rev. A 81, 066101 1-2 (2010). |
89. |
Feshbach resonances of harmonically trapped atoms Phys. Rev. A (Rapid Communication) 83, 030701(R) 1-4 (2011). |
88. |
Frustrated collisions and unconventional pairing on a quantum superlattice EPL 92, 10001 1-5 (2010); arXiv:1004.4470. |
87. |
Break-down of the single-active-electron approximation for one-photon ionization of the B 1Σu+ state of H2 exposed to intense laser fields Phys. Rev. A 81, 063406 1-8 (2010). |
86. |
Final-State Spectrum of 3He after β- Decay of Tritium Anions T- Phys. Rev. A 81, 032501 1-6 (2010). |
85. |
Full two-electron calculations of antiproton collisions with molecular hydrogen Phys. Rev. A (Rapid Communication) 81, 010701(R) 1-4 (2010). |
84. |
Alignment-dependent ionization of molecular hydrogen in intense laser fields Phys. Rev. A (Rapid Communication) 82, 011403(R) 1-4 (2010). |
83. |
Two-channel model of photoassociation in the vicinity of a Feshbach resonance Phys. Rev. A (Rapid Communication) 80, 061401(R) 1-4 (2009). |
82. |
Mimicking multichannel scattering with single-channel approaches Phys. Rev. A 81, 022719 1-14 (2010). |
81. |
Ionization of molecular hydrogen and deuterium by frequency-doubled Ti:sapphire laser pulses Phys. Rev. A 80, 053422 1-12 (2009). |
80. |
Alignment-dependent ionization of N2, O2, and CO2 in intense laser fields Phys. Rev. Lett. 104, 223001 1-4 (2010). |
79. |
Collisions of antiprotons with hydrogen molecular ions Phys. Rev. A 80, 022705 1-12 (2009). |
78. |
Three-body bound states in a lattice Phys. Rev. A (Rapid Communication) 81, 011601(R) 1-4 (2010). |
77. |
Theoretical description of two ultracold atoms in a single site of a 3D optical lattice using realistic interatomic interaction potentials Phys. Rev. A 80, 013403 1-17 (2009). |
76. |
Photodissociation of the HeH+ molecular ion J. Phys. B. 42 165101 1-7 (2009). |
75. |
Ab-initio determination of Bose-Hubbard parameters for two ultracold atoms in an optical lattice using a three-well potential Phys. Rev. A 80, 013404 1-13 (2009). |
74. |
Stopping power of antiprotons in H, H2, and He targets Phys. Rev. A 79, 042901 1-13 (2009). |
73. |
Collisions of low-energy antiprotons with molecular hydrogen: ionization, excitation and stopping power Hyperfine Interactions 194, 59-64 (2009); arXiv:0810.5682. |
72. |
Interaction of antiprotons with Rb atoms and a comparison of antiproton stopping powers of the atoms H, Li, Na, K, and Rb Hyperfine Interactions 194, 51-57 (2009); arXiv:0810.5674. |
71. |
Generalized gauge-invariant formulations of the strong-field approximation Phys. Rev. A 79, 023421 1-7 (2009). (Extended version: arXiv:0809.2962) |
70. |
Feshbach resonances in an ultracold 7Li and 87Rb mixture Phys. Rev. A 79, 012717 1-7 (2009). |
69. |
Parameter- free one-center model potential for an effective one-electron description of molecular hydrogen Phys. Rev. A 78, 042510 1-7 (2008). |
68. |
Antiproton collisions with molecular hydrogen Phys. Rev. A 78, 032708 1-10 (2008). |
67. |
Ionization of H2 in intense ultrashort laser pulses: parallel versus perpendicular orientation J. Mod. Optics 55, 2665-2684 (2008); arXiv:0804.0567. |
66. |
Antiproton and proton collisions with the alkali metal atoms Li, Na, and K Phys. Rev. A 77, 052713 1-12 (2008). |
65. |
Interference in strong-field ionization of a two-centre atomic system New J. Phys. 10 093027 (2008). |
64. |
Single-Active-Electron Approximation for Describing Molecules in Ultrashort Laser Pulses and Its Application to Molecular Hydrogen Phys. Rev. A 77, 063403 1-17 (2008). |
63. |
Strong-field tunneling without ionization Phys. Rev. Lett. 101, 233001 1-4 (2008) . |
62. |
Nonadiabatic coupling in cold collisions of spin-polarized metastable hydrogen atoms Phys. Rev. A 76, 052709 1-11 (2007). |
61. |
Exact Theoretical Description of Two Ultracold Atoms in 3D Optical Lattices J. Phys. - Conference series 88, 012042 1-6 (2007). |
60. |
Comment on ``Detailed instantaneous ionization rate of H2+ in an intense laser field'' Phys. Rev. A 76, 067401 1-3 (2007). |
59. |
Quasistatic limit of the strong-field approximation describing atoms and molecules in intense laser fields Phys. Rev. A 75, 063403 1-11 (2007). |
58. |
Strong-field control in small molecules in Analysis and Control of Ultrafast Photoinduced Reactions, O. Kühn and L. Wöste (Eds.), Springer Lecture Notes in Physics 2007. |
57. |
Photoionization of the alkali dimer cations Li2+, Na2+, and LiNa+ J. Phys. B: At. Mol. Opt. Phys. 40, 1821-1832 (2007). |
56. |
Exact Keldysh theory for strong-field ionization of atomic systems: Residue method versus saddle-point approximation Phys. Rev. A 75, 033403 1-7 (2007). |
55. |
Influence of a tight isotropic harmonic trap on photoassociation in ultracold homonuclear alkali gases Phys. Rev. A 76, 022704 1-18 (2007). |
54. |
Density-matrix study of the hydrogen-antihydrogen molecule Z. Phys. Chem. 220, 945-962 (2006). |
53. |
Internuclear-distance dependence of ionization of H2 in strong laser fields J. Phys. B: At. Mol. Opt. Phys. 39, S389-395 (2006). |
52. |
Doubly excited autoionizing states of H2 converging to the H(n=2) + H(n'=2) limit Phys. Rev. A 73, 062706 1-13 (2006). |
51. |
Formation of ground-state vibrational wavepackets with ultra-short laser pulses Phys. Rev. Lett. 97, 103003 1-4 (2006). |
50. |
Non-perturbative solution of the time-dependent Schrödinger equation describing H2 in intense short laser pulses J. Phys. B: At. Mol. Opt. Phys. 38, 3973-3985 (2005). |
49. |
Antihydrogen in interaction with atoms and surfaces AIP Conference Proceedings 770, 51-67 (2005). |
48. |
Molecular Effects in Investigations of T2 Beta Decay: Influence of Source Temperature and Isotope Distribution Phys. Rev. C 73, 025502 1-10 (2006). |
47. |
Including the strong nuclear force in antihydrogen scattering calculations Can. J. Phys. 83, 435-445 (2005). |
46. |
Numerical treatment of diatomic two-electron molecules using a B-spline based CI method J. Phys. B: At. Mol. Opt. Phys. 37, 4101-4118 (2004). |
45. |
Positron-electron annihilation in hydrogen-antihydrogen collisions Advances in Quantum Chemistry 47, 465-480 (2004). |
44. |
Tests of Lorentz invariance using hydrogen molecules Phys. Rev. D 70, 076004 1-9 (2004). |
43. |
Hydrogen-antihydrogen molecule and its properties Few-Body Systems 34, 63-72 (2004). |
42. |
Leptonic Annihilation in Hydrogen-Antihydrogen Collisions Phys. Rev. A 70, 022509 1-4 (2004). |
41. |
Optical cavity tests of Lorentz invariance for the electron Phys. Rev. D 68, 116006 1-17 (2003). |
40. |
Hydrogen-antihydrogen scattering in the Born-Oppenheimer approximation J. Phys. B: At. Mol. Opt. Phys. 37, 1195-1202 (2004). |
39. |
Intense-Laser-Field Ionization of Molecular Hydrogen in the Tunnelling Regime and Its Effect on the Vibrational Excitation of H2+ Phys. Rev. Lett. 92, 163004 1-4 (2004). |
38. |
Fine Structure in Cold Collisions of Spin-Polarized H(2s) Atoms Physica Scripta T110, 299-301 (2004). |
37. |
Molecular Hydrogen in Strong Laser Fields: Bond Softening, Enhanced Ionization, and Coherent Control Physica Scripta T110, 126-131 (2004). |
36. |
Cold collisions of metastable hydrogen atoms Phys. Rev. A (Rapid Communication) 67, 040701(R) 1-4 (2003). |
35. |
Cold collisions of atomic hydrogen with antihydrogen atoms: An optical potential approach Phys. Rev. A. 69, 042715 1-15 (2004). |
34. |
Electronically Excited States of Molecular Hydrogen Exposed to Strong DC, AC, or Low-Frequency Laser Fields J. Phys. B: At. Mol. Opt. Phys. 35, 4829-4838 (2002). |
33. |
Photoabsorption and Photoionization of HeH+ Phys. Rev. A 67, 033409 1-10 (2003). |
32. |
On the Behaviour of Molecular Hydrogen Exposed to Strong DC, AC, or Low-Frequency Laser Fields: II. Comparison of Ab Initio and Ammosov-Delone-Krainov (ADK) Rates Phys. Rev. A 66, 063408 1-9 (2002). |
31. |
On the Behaviour of Molecular Hydrogen Exposed to Strong DC, AC, or Low-Frequency Laser Fields: I. Bond Softening and Enhanced Ionization Phys. Rev. A 66, 063407 1-13 (2002). |
30. |
Multiphoton ionization of the hydrogen molecule H2 J. Phys. B: At. Mol. Opt. Phys. 35, 1909-1928 (2002). |
29. |
Long-range interactions between two 2s excited hydrogen atoms Phys. Rev. A 65, 042501 (2002). |
28. |
Quantitative laser mass spectroscopy of sputtered vs evaporated metal atoms Phys. Rev. A 65, 012901 (2001). |
27. |
Ab Initio Investigation of the Phase Lag in Coherent Control of H2 Phys. Rev. Lett. 86, 5454-5457 (2001). |
26. |
Collisions of H and anti-H New Directions in Antimatter Chemistry and Physics edited by C. M. Surko and F. A. Gianturco (Kluwer Academic Publishers, The Netherlands, 2001). |
25. |
Radiative association of atomic hydrogen with antihydrogen at subkelvin temperatures Phys. Rev. A 63, 052722 (2001). |
24. |
Collisions between metastable hydrogen atoms at thermal energies Phys. Rev. Lett. 85, 4245-4248 (2000). |
23. |
On the influence of vibrational motion on strong-field ionization rates in molecules J. Phys. B: At. Mol. Opt. Phys. 33, 4365-4372 (2000). |
22. |
Stability of hydrogen-antihydrogen mixtures at low energies Phys. Rev. A 64, 052712 1-14 (2001). |
21. |
Effect of vibration and internuclear axis orientation on multiphoton ionization of H2+ J. Phys. B: At. Mol. Opt. Phys. 33, 2791-2807 (2000). |
20. |
Molecular hydrogen exposed to a suddenly turned-on strong electric field or low-frequency laser J. Phys. B: At. Mol. Opt. Phys. 33, 3519-3530 (2000). |
19. |
Hydrogen-Antihydrogen Collisions Phys. Rev. Lett. 84, 4577-4580 (2000). |
18. |
Enhanced Ionization of Molecular Hydrogen in Very Strong Fields Phys. Rev. A (Rapid Communication) 61, 051402(R) (2000). |
17. |
Ab initio Approaches to Multiphoton Processes in Two Electron Atoms in Multiphoton Processes, L. F. Dimauro, R. R. Freeman, and K. C. Kulander (eds.), AIP Conference Proceedings 525 (Melville, New York) pp. 231-244 (2000). |
16. |
Hydrogen Molecules in a Strong Static Electric Field in Multiphoton Processes, L. F. Dimauro, R. R. Freeman, and K. C. Kulander (eds.), AIP Conference Proceedings 525 (Melville, New York) pp. 494-501 (2000). |
15. |
Low energy hydrogen-antihydrogen collisions Nucl. Phys. A 663&664, 959c-962c (2000). |
14. |
Energy loss of 18 keV Electrons in Gaseous T2 and Quench Condensed D2 Films Eur. Phys. J. D 10, 39-52 (2000). |
13. |
Improved Molecular Final-State Distribution of HeT+ for the Beta-Decay Process of T2 Phys. Rev. Lett. 84, 242-245 (2000). |
12. |
Theoretical two-, three-, and four-photon ionization cross sections of helium in the XUV range J. Phys. B: At. Mol. Opt. Phys. 32, 5629-5637 (1999). |
11. |
Neutrino-mass determination from tritium beta decay: Corrections to and prospects of experimental verification of the final-state spectrum Phys. Rev. C 60, 034601 (1999). |
10. |
Non-Adiabatic Couplings between the Final States of Tritium Beta Decay Pol. J. Chem. 72, 1323-1333 (1998). |
09. |
Isomerization of an eta3-Allyl to an E-1-Propenyl in (C5Me5)(C5Me4CH2)TiC3H5: Mechanism, Kinetics and Thermodynamics J. Am. Chem. Soc. 120, 2854-2861 (1998). |
08. |
Methods for the Calculation of Spherically Averaged Compton Profiles with GTOs Int. J. Quant. Chem. 65, 213-223 (1997). |
07. |
Effect of Final-State Interactions in Allowed Beta Decays. I. General Formalism Phys. Rev. C 56, 2132-2161 (1997). |
06. |
Effect of Final-State Interactions in Allowed Beta Decays. II. Reliability of the Beta-Decay Spectrum for T2 Phys. Rev. C 56, 2162-2184 (1997). |
05. |
Calculation of the Beta-Decay Spectrum of the T2 Molecule beyond the Sudden Impulse Approximation Phys. Rev. Lett. 77, 4724-4727 (1996). |
04. |
The First Born Approximation and Absolute Scattering Cross Sections J. Phys. B: At. Mol. Opt. Phys. 29, 97-113 (1996). |
03. |
Probability Distribution of Excitations to the Electronic Continuum of HeT+ Following the Beta Decay of the T2 Molecule Phys. Rev. Lett. 71, 2871-2874 (1993). |
02. |
The Generalised Oscillator-Strength Density of the Helium Atom, Calculated by a New Implementation of the Complex-Coordinate Method Z. Naturf. 48a, 243-250 (1993). |
01. |
A Configuration-Interaction-Oriented Implementation of the Complex Coordinate Method Int. J. Quant. Chem. 46, 365-374 (1993). |