Ultracold Scattering and Universal CorrelationsParticle-dimer scattering below and above the three-body threshold is studied using Faddeev differential equations. Correllations between the observables are shown and some analogies between…E. A. Kolganova·Dec 25, 2013SaveLearn
A beamline for time-resolved extreme ultraviolet and soft x-ray spectroscopyHigh harmonic generation is a convenient way to obtain extreme ultraviolet light from table-top laser systems and the experimental tools to exploit this simple and powerful light source for…Jakob Grilj, Emily Sistrunk, Markus Koch et al.·Dec 19, 2013SaveLearn
Electron Delocalization Determined Anomalous Stability in Small Water RingsWater clusters are known to form through hydrogen bonding. However, this study shows that the formation of very small water clusters significantly deviates from this mechanism and instead involves…Bo Wang, Minsi Xin, Xing Dai et al.·Dec 14, 2013SaveLearn
Resonant Auger-intercoulombic hybridized decay in the photoionization of endohedral fullerenesConsidering the photoionization of Ar@C60, we predict resonant femtosecond decays of both Ar and C60 vacancies through the continua of atom-fullerene hybrid final states. The resulting resonances…Mohammad H. Javani, Jacob B. Wise, Ruma De et al.·Dec 7, 2013SaveLearn
Collective Autoionization in Multiply-Excited Systems: A novel ionization process observed in Helium NanodropletsFree electron lasers (FELs) offer the unprecedented capability to study reaction dynamics and image the structure of complex systems. When multiple photons are absorbed in complex systems, a…A. C. LaForge, M. Drabbels, N. Brauer et al.·Nov 29, 2013SaveLearn
DFT-D Investigation of the Interaction Between Ir(III) Based Photosensitizers and Small Silver Clusters Agn (n=2-20, 92)A dispersion-corrected density functional theory study of the photosensitizer [Ir(ppy)2(bpy)]+ and its derivatives bound to silver clusters Agn (n=2-20, 92) is performed. The goal is to…Olga S. Bokareva, Oliver Kühn·Nov 27, 2013SaveLearn
Orientation dependence of energy absorption and relaxation dynamics of C60 in fs-laser pulses: How round is C60?By means of non-adiabatic quantum molecular dynamics it is shown, that the amount of energy deposited into C60 by a short laser field strongly depends on the molecular orientation with…M. Fischer, J. Handt, G. Seifert et al.·Nov 19, 2013SaveLearn
Glassy clusters: Relations between their dynamics and characteristic features of their energy landscapeBased on a recently introduced metric for measuring distances between configurations, we in- troduce distance-energy (DE) plots to characterize the potential energy surface (PES) of clusters.…Sandip De, Bastian Schaefer, Ali Sadeghi et al.·Nov 18, 2013SaveLearn
Ion impact induced Interatomic Coulombic Decay in neon and argon dimersWe investigate the contribution of Interatomic Coulombic Decay induced by ion impact in neon and argon dimers (Ne2 and Ar2) to the production of low energy electrons. Our experiments cover a…H. -K. Kim, H. Gassert, M. S. Schöffler et al.·Oct 31, 2013SaveLearn
Pick-off annihilation of positronium in matter using full correlation single particle potentials: solid HeWe investigate the modeling of positronium (Ps) states and their pick-off annihilation trapped at open volumes pockets in condensed molecular matter. Our starting point is the interacting many-body…A. Zubiaga, F. Tuomisto, M. Puska·Oct 28, 2013SaveLearn
Vibrationally Resolved Decay Width of Interatomic Coulombic Decay in HeNeWe investigate the ionization of HeNe from below the He 1s3p excitation to the He ionization threshold. We observe HeNe+ ions with an enhancement by more than a factor of 60 when the He side…F. Trinter, J. B. Williams, M. Weller et al.·Oct 24, 2013SaveLearn
Amplification without inversion, fast light and optical bistability in a duplicated two-level systemThe optical properties of a weak probe field in a duplicated two-level system are investigated in multiphoton resonance (MPR) condition and beyond it. It is shown that, by changing the relative phase…Lida Ebrahimi Zohravi, Azar Vafavard, Mohammad Mahmoudi·Oct 19, 2013SaveLearn
Strong Adsorption between Uranium Dicarbide and Graphene Surface Induced by f ElectronsThe interaction between gaseous uranium dicarbide and graphite is significant for the safety control and design of Gen-IV nuclear energy system. In this article, the interaction mechanism has been…Jie Han, Xing Dai, Cheng Cheng et al.·Oct 16, 2013SaveLearn
Optical and magnetic excitations of metal-encapsulating Si cages: A systematic study by time-dependent density functional theorySystematic study of the optical and magnetic excitations of twelve MSi12 and four MSi10 transition metal encapsulating Si cages has been carried out by employing real time time-dependent…Micael J. T. Oliveira, Paulo V. C. Medeiros, José R. F. Sousa et al.·Sep 23, 2013SaveLearn
Cold ion-atom chemistry driven by spontaneous radiative relaxation: a case study for the formation of the YbCa+ molecular ionUsing both quantum and semi-classical methods, we calculate the rates for radiative association and charge transfer in cold collisions of Yb+ with Ca.B. Zygelman, Zelimir Lucic, Eric R. Hudson·Aug 29, 2013SaveLearn
The effect of the Perdew-Zunger self-interaction correction to density functionals on the energetics of small moleculesSelf-consistent calculations using the Perdew-Zunger self-interaction correction (PZ-SIC) to local density and gradient dependent energy functionals are presented for the binding energy and…Simon Klüpfel, Peter Klüpfel, Hannes Jónsson·Aug 29, 2013SaveLearn
Importance of complex orbitals in calculating the self-interaction-corrected ground state of atomsThe ground state of atoms from H to Ar was calculated using a self-interaction correction to local and gradient dependent density functionals. The correction can significantly improve the total…Simon Klüpfel, Peter Klüpfel, Hannes Jonsson·Aug 28, 2013SaveLearn
Spin Dynamics in Graphene and Graphene like Nanocarbon Doped with Nitrogen the ESR AnalysisNano engineered spin degree of freedom in carbon system may offer desired exchange coupling with optimum spin orbit interaction which is essential, to construct solid state qubits, for fault tolerant…Ashwini P. Alegaonkar, Arvind Kumar, Satish K. Pardeshi et al.·Aug 24, 2013SaveLearn
Koopmans' condition in self-interaction corrected density functional theoryWe investigate from a practitioner's point of view the computation of the ionization potential (IP) within density functional theory (DFT). DFT with (semi-)local energy-density functionals is…Peter Klüpfel, Mai Phuong Dinh, Paul-Gerhard Reinhard et al.·Aug 20, 2013SaveLearn
CMISTARK: Python package for the Stark-effect calculation and symmetry classification of linear, symmetric and asymmetric top wavefunctions in dc electric fieldsThe Controlled Molecule Imaging group (CMI) at the Center for Free Electron Laser Science (CFEL) has developed the CMIstark software to calculate, view, and analyze the energy levels of adiabatic…Yuan-Pin Chang, Frank Filsinger, Boris G. Sartakov et al.·Aug 19, 2013SaveLearn
Nuclear wave packet quantum interference in the intense laser dissociation of the D2+ moleculeRecently it has been recognized that electronic conical intersections in molecular systems can be induced by laser light even in diatomics. As is known a direct consequence of these accidental…Gábor J. Halász, Ágnes Vibók, Nimrod Moiseyev et al.·Aug 12, 2013SaveLearn
Time-Resolved Measurement of Interatomic Coulombic Decay in Ne2The lifetime of interatomic Coulombic decay (ICD) [L. S. Cederbaum et al., Phys. Rev. Lett. 79, 4778 (1997)] in Ne2 is determined via an extreme ultraviolet pump-probe experiment at the…K. Schnorr, A. Senftleben, M. Kurka et al.·Aug 1, 2013SaveLearn
Proton ejection from molecular hydride clusters exposed to strong X-ray pulsesClusters consisting of small molecules containing hydrogen do eject fast protons when illuminated by short X-ray pulses. A suitable overall charging of the cluster controlled by the X-ray intensity…Pierfrancesco Di Cintio, Ulf Saalmann, Jan-Michael Rost·Jul 16, 2013SaveLearn
Quantum and classical features of the photoionization spectrum of C60By considering photoionization of the C60 fullerene, we elucidate the contributions of various classical and quantum physics phenomena appearing in this process. By comparing the results, based…Alexey V. Verkhovtsev, Andrei V. Korol, Andrey V. Solov'yov·Jul 12, 2013SaveLearn
Determination of hydrogen cluster velocities and comparison with numerical calculationsThe use of powerful hydrogen cluster jet targets in storage ring experiments led to the need of precise data on the mean cluster velocity as function of the stagnation temperature and pressure for…Alexander Täschner, Esperanza Köhler, Hans-Werner Ortjohann et al.·Jul 5, 2013SaveLearn