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An analysis of quasiparticle correlations with special emphasis on transition matrix elements have been done for a self-consistent
cranking model. It is pointed out that a second order of the boson representation of a transition operator leads to a signature
dependence of transition probabilities between excited one-phonon states in even-even nuclei. Moreover, it brings about the
new contribution to an expectation value of electromagnetic moments in the yrast line states of deformed nuclei. 相似文献
3.
E. I. Shahaliev R. G. Nazmitdinov A. A. Kuznetsov M. K. Suleymanov O. V. Teryaev 《Physics of Atomic Nuclei》2006,69(1):142-146
We propose a novel method for analysis of experimental data obtained in relativistic nucleus—nucleus collisions. The method,
based on the ideas of random matrix theory, is applied to detect systematic errors that occur in measurements of momentum
distributions of emitted particles. The unfolded momentum distribution is well described by the Gaussian orthogonal ensemble
of random matrices, when the uncertainty in the momentum distribution is maximal. The method is free from unwanted background
contributions.
The text was submitted by the authors in English. 相似文献
4.
J?RG?FELDVOSSEmail author SALVATORE?SICILIANO THOMAS?WEIGEL 《Transformation Groups》2016,21(2):377-398
In this paper it is shown that the projective cover of the trivial irreducible module of a finite-dimensional solvable restricted Lie algebra is induced from the one dimensional trivial module of a maximal torus. As a consequence, the number of the isomorphism classes of irreducible modules with a fixed p-character for a finite-dimensional solvable restricted Lie algebra L is bounded above by p MT(L), where MT(L) denotes the maximal dimension of a torus in L. Finally, it is proved that in characteristic p > 3 the projective cover of the trivial irreducible L-module is induced from the one-dimensional trivial module of a torus of maximal dimension, only if L is solvable. 相似文献
5.
Manifestations of pronounced shell effects are discovered when non-axial octupole deformations are added to a harmonic oscillator
model. The degeneracies of the quantum spectra are in good agreement with the corresponding main periodic orbits and winding
number ratios which are found by classical analysis.
Pis’ma Zh. éksp. Teor. Fiz. 69, No. 8, 525–530 (25 April 1999)
Published in English in the original Russian journal. Edited by Steve Torstveit. 相似文献
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8.
A.B. Arbuzov B.M. Barbashov R.G. Nazmitdinov V.N. Pervushin A. Borowiec K.N. Pichugin A.F. Zakharov 《Physics letters. [Part B]》2010
The General Relativity formulated with the aid of the spin connection coefficients is considered in the finite space geometry of similarity with the Dirac scalar dilaton. We show that the redshift evolution of the General Relativity describes the vacuum creation of the matter in the empty Universe at the electroweak epoch and the dilaton vacuum energy plays a role of the dark energy. 相似文献
9.
R. G. Nazmitdinov 《Physics of Particles and Nuclei》2009,40(1):71-92
Shell phenomena in small quantum dots with a few electrons under a perpendicular magnetic field are discussed within a simple
model. It is shown that various kinds of shell structures, which occur at specific values for the magnetic field lead to a
disappearance of the orbital magnetization for particular magic numbers for noninteracting electrons in small quantum dots.
Including the Coulomb interaction between two electrons, we found that the magnetic field gives rise to dynamical symmetries
of a three-dimensional axially symmetric two-electron quantum dot with a parabolic confinement. These symmetries manifest
themselves as near-degeneracy in the quantum spectrum at specific values of the magnetic field and are robust at any strength
of the electron-electron interaction. A remarkable agreement between experimental data and calculations exhibits the important
role of the thickness for the two-electron quantum dot for analysis of ground state transitions in a perpendicular magnetic
field.
The text was submitted by the author in English. 相似文献
10.
Using the method based on Random Matrix Theory (RMT),the results for the nearest-neighbor distributions obtained from the experimental data on 12C-C collisions at 4.2 AGeV/c have been discussed and compared with the simulated data on 12C-C collisions at 4.2 AGeV/c produced with the aid of the Dubna Cascade Model.The results show that the correlation of secondary particles decreases with an increasing number of charged particles Nch.These observed changes in the nearest-neighbor distributions of charged particles could be associated with the centrality variation of the collisions. 相似文献