Adiabatic orientation of rotating dipole molecules in an external fieldThe induced polarization of a beam of polar clusters or molecules passing through an electric or magnetic field region differs from the textbook Langevin-Debye susceptibility. This distinction, which…J. Bulthuis, J. A. Becker, R. Moro et al.·May 6, 2008SaveLearn
Inverse bremsstrahlung cross section estimated within evolving plasmas using effective ion potentialsIn this paper we estimate the total cross sections for field stimulated photoemissions and photoabsorptions by quasi-free electrons within a non-equilibrium plasma evolving from the strong coupling…F. Wang, B. Ziaja, E. Weckert·May 6, 2008SaveLearn
Global Potential Energy Minima of (H2O)n Clusters on Graphite: A Comparative Study of the TIPNP (N=3,4,5) FamilyThe water-graphite interaction potential proposed recently (González et al.J. Phys. Chem. C 2007, 111, 14862), the three TIPNP (N=3,\:4,\:5) water-water interaction models,…B. S. González, J. Hernández-Rojas, J. Bretón et al.·Apr 10, 2008SaveLearn
Interface Excitons in Krmnen Clusters : The Role of Electron Affinity in the Formation of Electronic StructureThe formation of the electronic structure of small Krm clusters (m<150) embedded inside NeN clusters (1200<N<7500) has been investigated with the help of fluorescence excitation spectroscopy using…A. Kanaev, L. Museur, F. Edery et al.·Apr 10, 2008SaveLearn
Transition metal dimers as potential molecular magnets: A challenge to computational chemistryDimers are the smallest chemical objects that show magnetic anisotropy. We focus on 3d and 4d transition metal dimers that have magnetic ground states in most cases. Some of these magnetic dimers…Daniel Fritsch, Klaus Koepernik, Manuel Richter et al.·Apr 8, 2008SaveLearn
Correlation between the energy shell structure and geometry in metallic nanoclusters: quasi-resonance states, isotope effectMetallic nanoclusters displaying electronic shell structure exhibit the special feature of a correlation between their geometry and the number of delocalized electrons . Their shape evolution can be…Vladimir Kresin·Apr 3, 2008SaveLearn
Stopping supersonic oxygen with a series of pulsed electromagnetic coils: A molecular coilgunWe report the stopping of a molecular oxygen beam, using a series of pulsed electromagnetic coils. A series of coils is fired in a timed sequence to bring the molecules to near-rest, where they are…Edvardas Narevicius, Adam Libson, Christian G. Parthey et al.·Apr 1, 2008SaveLearn
Localization of Inner-Shell Photoelectron Emission and Interatomic Coulombic Decay in Ne2We used Cold Target Recoil Ion Momentum Spectroscopy (COLTRIMS) to investigate the decay of Ne2 after K-shell photoionization. The breakup into Ne1+ / Ne2+ shows interatomic Coulombic…K. Kreidi, T. Jahnke, Th. Weber et al.·Mar 31, 2008SaveLearn
Does Spin-Orbit Coupling Effect Favor Planar Structures for Small Platinum Clusters?We have performed full-relativistic density functional theory calculations to study the geometry and binding energy of different isomers of free platinum clusters Ptn (n=4-6) within the spin…Ali Sebetci·Mar 26, 2008SaveLearn
Optical Absorption Spectra of Ag11 Isomers by First-Principles Theoretical Spectroscopy with Time-dependent Density Functional TheoryThe optical absorption spectrum of the three most stable isomers of the Ag11 system was calculated using the time-dependent density functional theory, with the generalized gradient approximation for…Jose I. Martinez, Eva M. Fernandez·Feb 22, 2008SaveLearn
Determination of Vacancies Allocation in a Monocrystal of a P-Dichlorobenzene Using a Method of the Raman SpectroscopyThe method of Raman scattering is used to investigate the cross edge of a p-dichlorobenzene monocrystal, which was grown up by a Bridgmen method. Comparison of intensities of additional lines of a…M. A. Korshunov·Feb 18, 2008SaveLearn
Manifestation of Vacancies in a Spectrum of Organic Molecular Crystal Lattice VibrationsUsing a method Raman of spectroscopy and considering a non-uniformity of allocation of vacancies in a monocrystal, it is shown that lines with the small intensity (caused by presence of vacancies)…M. A. Korshunov·Feb 18, 2008SaveLearn
Excitation levels and magic numbers of small para-Hydrogen clusters (N 40)The excitation energies of parahydrogen clusters have been systematically calculated by the diffusion Monte Carlo technique in steps of one molecule from 3 to 40 molecules. These clusters possess a…R. Guardiola, J. Navarro·Feb 14, 2008SaveLearn
Rescattering for extended atomic systemsLaser-driven rescattering of electrons is the basis of many strong-field phenomena in atoms and molecules. Here, we will show how this mechanism operates in extended atomic systems, giving rise to…Ulf Saalmann, Jan M. Rost·Feb 1, 2008SaveLearn
Classical Trajectory Diagnosis of Finger-Like Pattern in the Correlated Electron Momentum Distribution for Helium Double IonizationWith a semiclassical quasistatic model we identify the distinct roles of nuclear Coulomb attraction, final state electron repulsion and electron-field interaction in forming the finger-like (or…D. F. Ye, X. Liu, Jie liu·Feb 1, 2008SaveLearn
Photoinduced dynamics in protonated aromatic amino acidUV photoinduced fragmentation of protonated aromatics amino acids have emerged the last few years, coming from a situation where nothing was known to what we think a good understanding of the optical…Gilles Grégoire, Bruno Lucas, Michel Barat et al.·Jan 29, 2008SaveLearn
Evaporative attachment of slow electrons to alkali nanoclustersThe abundance spectrum of Na-n~7-140 anions formed by low energy electron attachment to free nanoclusters is measured to be strongly and nontrivially restructured with respect to the neutral…Roman Rabinovitch, Chunlei Xia, Vitaly V. Kresin·Jan 23, 2008SaveLearn
Multiple nearest-neighbor exchange model for the frustrated magnetic molecules Mo72Fe30 and Mo72Cr30Our measurements of the differential susceptibility dM/dH of the frustrated magnetic molecules Mo72Fe30 and Mo72Cr30 reveal a pronounced dependence on magnetic field (H) and temperature (T) in the…Christian Schröder, Ruslan Prozorov, Paul Kögerler et al.·Jan 14, 2008SaveLearn
Comparison of van der Waals coefficient C6 of sodium clusters obtained via spherical jellium background model and all-electron ab-initio methodIn this paper we employ two distinct approaches - all-electron ab initio method and the spherical jellium background model- within time dependent density functional theory to calculate the…Arup Banerjee, Manoj K. Harbola·Jan 9, 2008SaveLearn
Time dependent density functional theory calculation of van der Waals coefficient C6 of alkali-metal atoms Li, Na, K, alkali dimers Li2, Na2, K2 and sodium clusters NanIn this paper we employ all-electron time dependent density functional theory (TDDFT) to calculate the long range dipole-dipole dispersion coefficient (van der Waals coefficient) C6 of…Arup Banerjee, Jochen Autschbach·Jan 9, 2008SaveLearn
Destruction and Resurrection of Atomic Giant resonances in Endohedral Atoms A@C60It is demonstrated that in photoabsorption by endohedral atoms some atomic Giant resonances are almost completely destroyed while the others are totally preserved due to different action on it of the…M. Ya. Amusia, A. S. Baltenkov, L. V. Chernysheva·Dec 19, 2007SaveLearn
Energy absorption of xenon clusters in helium nanodroplets under strong laser pulsesEnergy absorption of xenon clusters embedded in helium nanodroplets from strong femtosecond laser pulses is studied theoretically. Compared to pure clusters we find earlier and more efficient energy…Alexey Mikaberidze, Ulf Saalmann, Jan M. Rost·Nov 30, 2007SaveLearn
Suppressing the fragmentation of fragile molecules in helium nanodroplets by co-embedding with water: Possible role of the electric dipole momentWhen fragile molecules such as glycine, polyglicine, alkanes, and alkanethiols are embedded in liquid helium nanodroplets, electron-impact ionization of the beam leads to fragmentation which is as…Yanfei Ren, Vitaly V. Kresin·Nov 20, 2007SaveLearn
Possible Coexistence of Antihydrogen with Hydrogen, Deuterium and Tritium AtomsRecent productions of large numbers of cold antiprotons as well as the formation of antihydrogens at CERN and Fermilab have raised basic questions about possible coexistence of matter and antimatter…Mohamed Assad Abdel-Raouf·Nov 14, 2007SaveLearn
Experimental Determination of Nucleation Scaling Law for Small Charged ParticlesWe investigated the nucleation process at the molecular level. Controlled sticking of individual atoms onto mass selected clusters over a wide mass range has been carried out for the first time. We…Fabien Chirot, Pierre Labastie, Sébastien Zamith et al.·Nov 12, 2007SaveLearn