Semi-spheroidal Quantum Harmonic OscillatorA new single-particle shell model is derived by solving the Schrödinger equation for a semi-spheroidal potential well. Only the negative parity states of the Z(z) component of the wave function are…D. N. Poenaru, R. A. Gherghescu, A. V. Solov'yov et al.·Apr 6, 2007SaveLearn
High activity of He droplets following ionization of systems inside those dropletsRelaxation processes following inner-valence ionization of a system can be modified dramatically by embedding this system in a suitable environment. Surprisingly, such an environment can be even…Nikolai V. Kryzhevoi, Vitali Averbukh, Lorenz S. Cederbaum·Mar 29, 2007SaveLearn
Towards magnetic slowing of atoms and moleculesWe outline a method to slow paramagnetic atoms or molecules using pulsed magnetic fields. We also discuss the possibility of producing trapped particles by adiabatic deceleration of a magnetic trap.…E. Narevicius, C. G. Parthey, A. Libson et al.·Mar 9, 2007SaveLearn
Structure and static response of small silver clusters to an external electric fieldThe static response properties and the structural stability of silver clusters in the size range 1 n 23 have been studied using a linear combination of atomic Gaussian-type orbitals within…M. Pereiro, D. Baldomir·Feb 27, 2007SaveLearn
Density functional calculations for stability of Titanium-doped Gold clusters AunTi (n=2-16)The stability and structures of Titanium-doped Gold clusters AunTi (n=2-16) are studied under the relativistic all-electron density-functional calculations. It is found that the most stable…Ming-Xing Chen, X. H. Yan·Feb 3, 2007SaveLearn
Wave packet dynamics in triplet states of Na2 attached to helium nanodropletsThe dynamics of vibrational wave packets excited in Na2 dimers in the triplet ground and excited states is investigated by means of helium nanodroplet isolation (HENDI) combined with femtosecond…Patrick Claas, Georg Droppelmann, Claus-Peter Schulz et al.·Feb 1, 2007SaveLearn
Noncontact atomic force microscopy simulator with phase-locked-loop controlled frequency detection and excitationA simulation of an atomic force microscope operating in the constant amplitude dynamic mode is described. The implementation mimics the electronics of a real setup including a digital phase-locked…Laurent Nony, Alexis Prof. Baratoff, Dominique Schaer et al.·Jan 30, 2007SaveLearn
Electrostatic interaction energies of homogeneous cubic charge distributionsThe starting point is the problem of finding the interaction energy of two coinciding homogeneous cubic charge distributions. The brute force method of subdividing the cube into N3 sub-cubes and…Hanno Essen·Jan 18, 2007SaveLearn
Systematics of spin-polarized small Na clustersInspired by recent experiments on fully spin polarized Na clusters, we perform a systematic survey of neutral Na clusters at all conceivable spin polarizations. We study the impact of spin state on…K. Andrea, P. -G. Reinhard, E. Suraud·Jan 2, 2007SaveLearn
Direct observation of free excitons in luminescence spectra of xenon clustersLuminescence of surface and free bulk excitons is detected in xenon for the first time for substrate-free rare-gas clusters. Xenon clusters were produced by the method of gas condensation in a…O. G. Danylchenko, Yu. S. Doronin, S. I. Kovalenko et al.·Dec 28, 2006SaveLearn
Aromaticity in Polyacene Analogues of Inorganic Ring CompoundsThe aromaticity in the polyacene analogues of several inorganic ring compounds (BN-acenes, CN-acenes, BO-acenes and Na6-acenes) is reported here for the first time. Conceptual density functional…Pratim Kumar Chattaraj, Debesh Ranjan Roy·Dec 17, 2006SaveLearn
Two-photon double ionization of helium in the region of photon energies 42-50 eVWe report the total integrated cross-section (TICS) of two-photon double ionization of helium in the photon energy range from 42 to 50 eV. Our computational procedure relies on a numerical solution…I. A. Ivanov, A. S. Kheifets·Dec 11, 2006SaveLearn
Tracing ultrafast interatomic electronic decay processes in real time and spaceTremendous advances in laser pump-probe techniques open the door for the observation in real time of ultrafast electronic processes. Particularly attractive is the visualization of…Alexander I. Kuleff, Lorenz S. Cederbaum·Dec 6, 2006SaveLearn
Complex Dynamics of Correlated Electrons in Molecular Double Ionization by an Ultrashort Intense Laser PulseWith a semiclassical quasi-static model we achieve an insight into the complex dynamics of two correlated electrons under the combined influence of a two-center Coulomb potential and an intense laser…J. Liu, D. F. Ye, J. Chen et al.·Dec 1, 2006SaveLearn
A Low-Noise High-Density Alkali Metal Scalar MagnetometerWe present an experimental and theoretical study of a scalar atomic magnetometer using an oscillating field-driven Zeeman resonance in a high-density optically-pumped potassium vapor. We describe an…S. J. Smullin, I. M. Savukov, G. Vasilakis et al.·Nov 8, 2006SaveLearn
Is the Fermi field contact and isotropic?It is shown that the contribution to the induction which at an internal point of a spin density distribution is mathematically described as a local is virtually caused by the summing-up of the fields…E. V. Rosenfeld·Oct 10, 2006SaveLearn
Magnetic structure of free cobalt clusters studied with Stern-Gerlach deflection experimentsWe have studied the magnetic properties of free cobalt clusters in two semi-independent Stern-Gerlach deflection experiments at temperatures between 60 and 307 K. We find that clusters consisting of…F. W. Payne, Wei Jiang, J. W. Emmert et al.·Oct 9, 2006SaveLearn
A high-resolution infrared spectroscopic investigation of the halogen atom-HCN entrance channel complexes solvated in superfluid helium dropletsRotationally resolved infrared spectra are reported for the X-HCN (X = Cl, Br, I) binary complexes solvated in helium nanodroplets. These results are directly compared with that obtained previously…Jeremy M. Merritt, Jochen Küpper, Roger E. Miller·Oct 6, 2006SaveLearn
Matrix formalism of synchrobetatron couplingIn this paper we present a complete linear synchrobetatron coupling formalism by studying the transfer matrix which describes linear horizontal and longitudinal motions. With the technique…Xiaobiao Huang·Oct 2, 2006SaveLearn
Spectroscopy of free radicals and radical containing entrance-channel complexes in superfluid helium nano-dropletsThe spectroscopy of free radicals and radical containing entrance-channel complexes embedded in superfluid helium nano-droplets is reviewed. The collection of dopants inside individual droplets in…Jochen Küpper, Jeremy M. Merritt·Sep 7, 2006SaveLearn
Characterization of doping levels in heteronuclear, gas-phase, van der Waals clusters and their energy absorption from an intense optical fieldA simple mass spectrometric method has been developed to quantify dopant levels in heteronuclear clusters in the gas phase. The method is demonstrated with reference to quantification of the water…J. Jha, P. Sharma, V. Nataraju et al.·Aug 31, 2006SaveLearn
Synthesis and Structure of 1D Na6 Cluster Chain with Short Na-Na Distance: Organic like Aromaticity in Inorganic Metal ClusterA unique 1D chain of sodium cluster containing (Na6) rings stabilized by a molybdenum containing metalloligand has been synthesized and characterized. DFT calculations show striking resemblance in…Snehadrinarayan Khatua, Debesh R. Roy, Pratim K. Chattaraj* et al.·Aug 23, 2006SaveLearn
Entrance Channel X-HF (X=Cl, Br, and I) Complexes studied by High-Resolution Infrared Laser Spectroscopy in Helium NanodropletsRotationally resolved infrared spectra are reported for halogen atom - HF free radical complexes formed in helium nanodroplets. An effusive pyrolysis source is used to dope helium droplets with Cl,…Jeremy M. Merritt, Jochen Küpper, Roger E. Miller·Aug 16, 2006SaveLearn
Free Radicals in Superfluid Liquid Helium Nanodroplets: A Pyrolysis Source for the Production of Propargyl RadicalAn effusive pyrolysis source is described for generating a continuous beam of radicals under conditions appropriate for the helium droplet pick-up method. Rotationally resolved spectra are reported…Jochen Küpper, Jeremy M. Merritt, Roger E. Miller·Aug 8, 2006SaveLearn
Phase separation in mixed argon-xenon clustersIn this paper, electron diffraction and optical methods are used together for the first time to study the problem of phase equilibrium in binary clusters of heavy rare gases. For the argon-xenon…O. G. Danylchenko, Yu. S. Doronin, S. I. Kovalenko et al.·Aug 4, 2006SaveLearn