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1.
SiO reacts with F2, in an argon matrix after photolysis with a high-pressure mercury lamp to form OSiF2. Isotopic splitting (16O/18O and 28Si/29Si) and force constant calculations show that the 6 fundamentals observed can be assigned to the planar molecule OSiF2. The value of the force constant of the SiO double bond, which was calculated as approximately 9 × 102 N m?1 in earlier investigations, is confirmed by this work. 相似文献
2.
The contribution of the population fluctuations of two-level systems in glasses to the dynamic structure factor
is calculated using the concept of elastic dipoles. Describing the two-level systems by the tunneling model, with reasonable assumptions about the distribution of tunneling frequencies an essentially logarithmic decay in time of
is obtained. 相似文献
3.
G. D. Elsdon J. R. Stubbs E. J. Bartholomew E. C. Raby T. Inouye D. N. Chatterji K. R. Ganguly M. Z. Faruqi L. van Itallie K. Plum D. C. Garratt R. Gager R. M. Mayer R. Berg St. Laguna H. Schönlebe F. Timm L. Servantie F. H. Goldman W. Neugebauer G. Jungmichel H. Schückle L. Pilati und W. Burkhardt 《Fresenius' Journal of Analytical Chemistry》1939,117(7-8):297-304
Ohne Zusammenfassung 相似文献
4.
R. Skibiński J. Golak K. Topolnicki H. Witała H. Kamada W. Glöckle A. Nogga 《The European Physical Journal A - Hadrons and Nuclei》2011,47(4):48
A recently developed procedure for a partial-wave decomposition of a three-nucleon force is applied to the p \pi -p \pi , p \pi -r \rho and r \rho -r \rho components of the Tucson-Melbourne three-nucleon potential. The resulting matrix elements for the p \pi -p \pi and p \pi -r \rho components are compared with the values obtained using the standard approach to the partial-wave decomposition, in which
the p \pi -r \rho expressions for the matrix elements are also derived and presented. Several numerical tests and results for the triton binding
energy and the correlation function prove the reliability and efficiency of the new method. 相似文献
5.
The formalism to include a three-nucleon force into three-nucleon continuum calculations is presented. First numerical results, obtained in momentum space, are shown. The two- and three-nucleon forces have been restricted to act only in the1
S
0 and3
S
1-3
D
1 partial-wave states. As two-nucleon interaction the Bonn-B potential and as three-nucleon interaction the Tucson-Melbourne two-pion exchange model has been used. 相似文献
6.
A striking size dependence of the mean-square displacement of diffusing particles in the two-dimensional lattice gas of hard squares has been observed by Monte Carlo simulation. It is shown that the size effect is due to the formation of a stable cage structure in small lattices when the particle concentration is high. The formation of cages is governed by a new type of percolation problem related to bootstrap percolation. 相似文献
7.
W. N. Polyzou Ch. Elster W. Gl?ckle J. Golak Y. Huang H. Kamada R. Skibi��ski H. Wita?a 《Few-Body Systems》2011,49(1-4):129-147
We review the construction and applications of exactly Poincaré invariant quantum mechanical models of few-degree of freedom systems. We discuss the construction of dynamical representations of the Poincaré group on few-particle Hilbert spaces, the relation to quantum field theory, the formulation of cluster properties, and practical considerations related to the construction of realistic interactions and the solution of the dynamical equations. Selected applications illustrate the utility of this approach. 相似文献
8.
The six-nucleon problem for the bound state is formulated in the Yakubovsky scheme. Hints for a numerical implementation are
provided. 相似文献
9.
10.
Sekiguchi K Sakai H Witała H Glöckle W Golak J Hatanaka K Hatano M Itoh K Kamada H Kuboki H Maeda Y Nogga A Okamura H Saito T Sakamoto N Sakemi Y Sasano M Shimizu Y Suda K Tamii A Uesaka T Wakasa T Yako K 《Physical review letters》2005,95(16):162301
Three precise measurements for elastic pd scattering at 135 MeV/A have been performed with the three different experimental setups. The cross sections are described well by the theoretical predictions based on modern nucleon-nucleon forces combined with three-nucleon forces. Relativistic Faddeev calculations show that relativistic effects are restricted to backward angles. This result supports the two measurements recently reported by RIKEN and contradicts the KVI data. 相似文献