Khokonov M.K.,Kabardino-Balkarian State University
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms | Year: 2015
The partial probabilities of different scenarios of electromagnetic shower processes are calculated in analytical form. It has been shown that these results are important for measurements of the photon multiplicities which occur during above 100 GeV electron radiation in oriented crystals or in the case of interaction of relativistic electrons with powerful Petawatt laser beams. Quantitative analysis of optimal experimental conditions has been performed. The results are applicable for above few GeV electrons and gamma quanta. © 2014 Elsevier B.V. All rights reserved.
Khokonov A.,Kabardino-Balkarian State University
Nuclear Physics A | Year: 2016
In the frame of nuclear liquid drop model an analytical solution for the frequency of capillary oscillations is obtained with taking into account the damping due to viscosity and surrounding medium polarizability. The model has been applied for estimation of even-even spherical nuclei surface tension and viscosity. It has been shown that energy shift of capillary oscillations of even-even spherical nuclei due to viscous dissipation gives viscosities in the interval 4.2-7.6 MeVfm-2c-1 for nuclei from 106 46Pd to 198 80Hg. © 2015 Elsevier B.V.
Alikhanov A.A.,Kabardino-Balkarian State University
Journal of Computational Physics | Year: 2015
In this paper we construct a new difference analog of the Caputo fractional derivative (called the L2-1σ formula). The basic properties of this difference operator are investigated and on its basis some difference schemes generating approximations of the second and fourth order in space and the second order in time for the time fractional diffusion equation with variable coefficients are considered. Stability of the suggested schemes and also their convergence in the grid L2-norm with the rate equal to the order of the approximation error are proved. The obtained results are supported by the numerical calculations carried out for some test problems. © 2014 Elsevier Inc..
Kozlov G.V.,Kabardino-Balkarian State University
Physics-Uspekhi | Year: 2015
Some properties of particulate-filled polymer nanocomposites, including structural features, are reviewed. Novel effects found in these materials, such as nanoadhesion and reinforcement mechanisms, are discussed. A structural analysis is performed using a fractal analysis procedure and the cluster model of the structure of a polymer in an amorphous state. The application prospects of these materials are examined in comparison with other polymer nanocomposites. © 2015 Uspekhi Fizicheskikh Nauk, Russian Academy of Sciences.
Agency: Cordis | Branch: FP7 | Program: CP-FP-SICA | Phase: SSH.2013.4.1-1 | Award Amount: 2.04M | Year: 2014
ISSICEU analyses sources of stability and instability in the Caucasus regarding political regimes, civic participation, economic interdependencies and neighbourhood influences. We evaluate the implications for military, political, economic and societal security. We deliver three relevant products for EU policy formulation: We analyse and map emerging conflicts of local, regional and international dimensions and highlight crucial actors and mechanisms. We elaborate on scenarios concerning potential future security developments. We give concise policy recommendations on opportunities for the EU to influence conflict solution and long-term stability in the Caucasus societies and the whole region. ISSICEU disseminates the findings as follows: policy briefs; expert workshops in relevant EU agencies and for stakeholders in EU countries and the Caucasus; a scenario-workshop at the final stage. ISSICEU explores intra-societal frictions and their regional impact in the political regimes focussing mainly on dynamics of communal governance; the interplay of religious and state actors and practices of civic participation. We analyse inter-societal sources of (in)stability regarding economic dependencies; political and societal relations between the Caucasus and neighbourhood states. ISSICEU makes comparative analyses across sub-regions and studies aspects of inter-societal relations. We consider the historical and contemporary ties among the societies. We study the Caucasus in its diversity and cohesiveness. Cases are Armenia, Azerbaijan, Georgia, Abkhazia, South Ossetia, Nagorno-Karabakh, Dagestan, Kabardino-Balkaria, Karachay-Cherkessia and Chechnya. In the neighbourhood we focus on Turkey and Iran. ISSICEU takes theory-informed, interdisciplinary and strongly inductive approaches, able to adequately identify phenomena as they manifest themselves in the region and to give innovative policy recommendations.