Photoionization of atoms stuffed inside a two-shell fullereneThe photoionization of a two-shell endohedral A@CN1@CN2 is considered. Formulas are presented for cross-sections and angular anisotropy parameters, both dipole and non-dipole. The effect of the…M. Ya. Amusia, L. V. Chernysheva, E. Z. Liverts·Apr 12, 2009SaveLearn
High-order harmonic generation and multi-photon ionization of ethylene in laser fieldsApplying time-dependent local density approximation (TDLDA), we study the high-order harmonic generation (HHG) of ethylene subjected to the one-color (ω=2.72 eV) and the two-color (ω1=2.72 eV…Z. P. Wang, P. M. Dinh, P. -G. Reinhard et al.·Mar 30, 2009SaveLearn
DFT studies of ethylene in femtosecond laser pulsesUsing time-dependent density functional theory, applied to valence electrons, coupled non-adiabatically to molecular dynamics of the ions, we study the induced dynamics of ethylene subjected to the…Z. P. Wang, P. M. Dinh, P. -G. Reinhard et al.·Mar 30, 2009SaveLearn
Production of intense beams of mass-selected water cluster ions and theoretical study of atom-water interactionsThe influences of water molecules surrounding biological molecules during irradiation with heavy particles (atoms,ions) are currently a major subject in radiation science on a molecular level. In…Z. P. Wang, P. M. Dinh, P. -G. Reinhard et al.·Mar 30, 2009SaveLearn
Insulator-Conductor Transition: A Brief Theoretical ReviewThe electrical conductivity of disordered insulator-conductor composites have been studied for more than thirty years. In spite of this some properties of dc bulk conductivity of composites still…M. Cattani, M. C. Salvadori, M. Cattani·Mar 20, 2009SaveLearn
Dark states of dressed spinor Bose-Einstein condensates of spin-1 atomsDressed states of spinor Bose-Einstein condensates of spin-1 atoms located in optical cavity of near resonance frequency of excited state of the atom are investigated. The wave function of dark…Ma Luo, Chengguang Bao, Zhibing Li·Mar 6, 2009SaveLearn
Dynamics of clusters and molecules in contact with an environmentWe present recent theoretical investigations on the dynamics of metal clusters in contact with an environment, deposited of embedded. This concerns soft deposition as well as irradiation of the…P. M. Dinh, P. -G. Reinhard, E. Suraud·Mar 5, 2009SaveLearn
Modification of spin mixing of spinor BEC by cavity QED couplingDressed states of spinor Bose-Einstein condensates of spin-1 atoms coupling with optical cavity modes with far off resonance frequency are investigated. The exact solution of time evolution of…Ma Luo, Chengguang Bao, Zhibing Li·Mar 5, 2009SaveLearn
Distance Geometry: A Viewing Help for the Solid-Liquid Phase Transition in Small SystemsDistance geometry is the study of the arrangements of points in space using only the mutual distances between them. The basic idea in this letter is to use distance geometry for thermodynamics…Pierre Labastie·Mar 4, 2009SaveLearn
Efficient atomization of cesium metal in solid helium by low energy (10 μJ) femtosecond pulsesMetal atoms in solid and liquid helium-4 have attracted some interest either as a way to keep the atoms in a weakly perturbing matrix, or using them as a probe for the helium host medium. Laser…Mathieu Melich, Jacques Dupont-Roc, Philippe Jacquier·Feb 28, 2009SaveLearn
Alkali-helium snowball complexes formed on helium nanodropletsWe systematically investigate the formation and stability of snowballs formed by femtosecond photo-ionization of small alkali clusters bound to helium nanodroplets. For all studied alkali species…S. Muller, M. Mudrich, F. Stienkemeier·Feb 26, 2009SaveLearn
Ionization and charge migration through strong internal fields in clusters exposed to intense X-ray pulsesA general scenario for electronic charge migration in finite samples illuminated by an intense laser pulse is given. Microscopic calculations for neon clusters under strong short pulses as produced…Christian Gnodtke, Ulf Saalmann, Jan M. Rost·Feb 23, 2009SaveLearn
The effect of inhomogenities on single molecule imaging by hard XFEL pulsesWe study the local distortion of the atomic structure in small biological samples illuminated by x-ray free electron laser (XFEL) pulses. We concentrate on the effect of inhomogenities: heavy atoms…Zoltan Jurek, Gyula Faigel·Feb 20, 2009SaveLearn
Structural, Magnetic, and Electronic Properties of the Monometallofullerene Gd@C82 : TheoryThe structural, electronic, and magnetic properties of Gd@C82 endohedral metallofullerene have been studied by employing on-site correlation corrected, scalar-relativistic and full-relativistic…Ali Sebetci, Manuel Richter·Feb 18, 2009SaveLearn
Core repulsion effects in alkali trimersThe present paper is related to a talk presented during the Symposium on Coherent Control and Ultracold Chemistry held during the Sixth Congress of the International Society for Theoretical Chemical…Romain Guérout, Pavel Soldan, Mireille Aymar et al.·Feb 17, 2009SaveLearn
Laser-driven nanoplasmas in doped helium droplets: Local ignition and anisotropic expansionDoping a helium nanodroplet with a tiny xenon cluster of a few atoms only, sparks complete ionization of the droplet at laser intensities below the ionization threshold of helium atoms. As a result,…Alexey Mikaberidze, Ulf Saalmann, Jan M. Rost·Feb 16, 2009SaveLearn
Water Buckyball Terahertz Vibrations in Physics, Chemistry, Biology, and CosmologyPentagonal dodecahedral buckyball-like water clusters and arrays thereof are shown from first-principles electronic-structure calculations to possess unique terahertz vibrational modes in the 1-6 THz…Keith Johnson·Feb 12, 2009SaveLearn
Electric and Magnetic Dipole Moments of Free NanoclustersThe article provides an overview of the behavior and detection of electric and magnetic dipole moments in free atomic and molecular nanoclusters.Walt A. de Heer, Vitaly V. Kresin·Jan 30, 2009SaveLearn
Study of Proton Transfer Reaction Dynamics in Pyrrole 2-CarboxyldehydePhotophysical and photochemical dynamics of ground state and excited state proton transfer reaction is reported for Pyrrole 2-Carboxyldehyde (PCL). Steady state absorption and emission measurements…Papia Chowdhury, Rakesh Kumar, Prakash Chandra Sati et al.·Jan 24, 2009SaveLearn
Stability of two-component alkali clusters formed on helium nanodropletsThe stability of two-component clusters consisting of light (Na or K) and heavy (Rb or Cs) alkali atoms formed on helium nanodroplets is studied by femtosecond laser ionization in combination with…G. Droppelmann, M. Mudrich, C. P. Schulz et al.·Jan 16, 2009SaveLearn
Fortran 90 implementation of the Hartree-Fock approach within the CNDO/2 and INDO modelsDespite the tremendous advances made by the ab initio theory of electronic structure of atoms and molecules, its applications are still not possible for very large systems. Therefore, semi-empirical…Sridhar Sahu, Alok Shukla·Dec 19, 2008SaveLearn
A note on the ultracold neutrons production by neutron deceleration on clusters in liquid heliumAn evaluation of slow neutrons deceleration through their interaction with nanoclusters in liquid helium is performed. It is shown that process is strongly suppresed if the clusters are bound by the…Yu. N. Pokotilovski·Dec 4, 2008SaveLearn
Collective dipole excitations in sodium clustersSome properties of small and medium sodium clusters are described within the RPA approach using a projected spherical single particle basis. The oscillator strengths calculated with a Schiff-like…A. A. Raduta, R. Budaca, Al. H. Raduta·Dec 3, 2008SaveLearn
A novel experimental method for the measurement of the caloric curves of clustersA novel experimental scheme has been developed in order to measure the heat capacity of mass selected clusters. It is based on controlled sticking of atoms on clusters. This allows one to construct…Fabien Chirot, Pierre Feiden, Sébastien Zamith et al.·Nov 12, 2008SaveLearn
Dynamical screening of an endohedral atomThe present work is a generalisation of the dynamical screening factor presented in [1] to consider an atom located at an arbitrary position within the fullerene. A more elaborated investigation into…S Lo, A V Korol, A V Solov'yov·Nov 10, 2008SaveLearn