نتایج جستجو برای: ground state

تعداد نتایج: 966011  

2000
S. Y. Savrasov G. Kotliar

Correlation effects are important for making predictions in the d phase of Pu. Using a realistic treatment of the intra-atomic Coulomb correlations we address the long-standing problem of computing ground state properties. The equilibrium volume is obtained in good agreement with experiment when taking into account Hubbard U of the order 4 eV. For this U, the calculation predicts a 5f5 atomicli...

2008
S. Aroua

We study the response of isovector orbital magnetic dipole (IOMD) transitions to the quadrupole-quadrupole (Q · Q) interaction, to the isospinconserving pairing interaction (ICP) and to combinations of both. We find qualitatively different behaviours for transitions in which the final isospin differs from the initial isospin versus cases where the two isospins are the same. For N = Z even-even ...

2008
Theodore J. Allen M. G. Olsson Sinǐsa Veseli

Recent lattice results for the energy of gluonic excitations as a function of quark separation are shown to correspond to transverse relativistic flux tube vibration modes. For large quark separations all states appear to degenerate into a few categories which are predicted uniquely, given the ground state.

2010
G. R. Fleming

We discuss the pump-probe signals expected from ground state wavepackets. The concept of a 'pure hole' is examined. The temporal form of the signals can be qualitatively predicted from the pump and probe wavelengths and pulse durations using the classical Franck principle. Temperature is found to play an important role. These considerations are illustrated with quant urn mechanical calculations...

1982
G. T. Bodwin

We present the results of an analytic calculation of the corrections of relative order a2(me/mll) to the muonium ground state hyperfine splitting due to exchanged photons. We compare theory and experiment, taking into account these corrections and some radiative-recoil contributions described in an accompanying paper.

2006
M. V. Zhukov

L. V. Grigorenko, 3 A. A. Korsheninnikov, and M. V. Zhukov Flerov Laboratory of Nuclear Reactions, JINR, RU-141980 Dubna, Russia Gesellschaft für Schwerionenforschung mbH, Planckstrasse 1, D-64291, Darmstadt, Germany RRC “The Kurchatov Institute”, Kurchatov sq. 1, 123182 Moscow, Russia Department of Physics, Chalmers University of Technology and Göteborg University, S-41296 Göteborg, Sweden (Da...

Journal: :international journal of advanced design and manufacturing technology 0
m. shamsmohammadi m soheili s. nasiri m. j. rajabirad m. torabi n. javam

a new anti-lock braking system (abs) for motorcycles is proposed in this study. it functions by processing the speed of the motorcycle tire in contact with the ground relative to the speed of the motorcycle itself and by calculating the slip ratio (λ) of the tire slipping on the ground while braking, and reducing it to a minimum which leads to increased controllability of the motorcycle and red...

رجبی, احمد, مدرس, مجید, مطهری, ساره,

 The (extended) lowest order constrained variational ((E) LOCV) method was used to calculate the ground state energy of liquid helium 3 (3He) droplets at zero temperature. Different types of density distribution profiles, such as the Gaussian, the Quasi-Gaussian and the Woods-Saxon were used. It was shown that at least, on average, near 20 3He atoms are needed to get the bound state for 3He liq...

Journal: :journal of sciences, islamic republic of iran 2012
m. ghaffarian

using hartree-fock su-sheriffer-heeger (hf-ssh) model, we have studied the dependence of the energies of the ground (magnetic triplet state) and the first exited (nonmagnetic singlet state) states of the size-2 trigonal zigzag graphene nanoflake (size-2 nf) on the intensity of an external in plane static electric field at zero temperature. we identify a transition from the magnetic triplet stat...

2011
M. L. Bissell K. Blaum F. C. Charlwood K. T. Flanagan D. H. Forest Ch. Geppert M. Kowalska A. Krieger J. Krämer I. D. Moore R. Neugart G. Neyens W. Nörtershäuser M. M. Rajabali R. Sánchez M. Schug H. H. Stroke P. Vingerhoets D. T. Yordanov M. Žáková

E. Mané,1 B. Cheal,1,* J. Billowes,1 M. L. Bissell,2 K. Blaum,3 F. C. Charlwood,1 K. T. Flanagan,4 D. H. Forest,5 Ch. Geppert,6,7 M. Kowalska,8,3 A. Krieger,7 J. Krämer,7 I. D. Moore,9,10 R. Neugart,7 G. Neyens,2 W. Nörtershäuser,6,7 M. M. Rajabali,2 R. Sánchez,6 M. Schug,3 H. H. Stroke,11 P. Vingerhoets,2 D. T. Yordanov,3 and M. Žáková7 1School of Physics and Astronomy, The University of Manch...

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