Next theme	Prev. theme
to field of reseach	to contents

Methods, Algorithms and Software for Modeling Physical Systems, Mathematical Processing and Analysis of Experimental Data

• Formulation and investigation of chirally invariant transport equations for quark matter including: collective meanfields, strong correlations (bound state formation), hadron-hadron scattering, heavy-quark transport and particle production (Schwinger effect).
  
  Development of numerical and analytical methods of investigation of nonlinear models of physics and application of the obtained results to the study of the interaction of gaseous nanocluster beams with matter and to the characterization of the gradient optical waveguides.
  
  Study of general properties of nucleus-nucleus interactions at energies planned by NICA/MPD, CBM and PANDA experiments using hadronic models of Geant4 package. Numerical modeling of the mechanism of the enhanced strange particle production at NICA energies.
  
  3D modeling of the superconducting magnets for the NICA (JINR) and for SIS100 (FAIR, GSI, Darmstadt).
  
  Study of nuclear physical processes of isotope accumulation and burnout in extended targets and subcritical fission systems; software maintenance of current experiments on target irradiation with protons and nuclei.
  
  Development of new algorithms for computing Coulomb corrections to observables of the Moliere-Fano multiple scattering theory and to the Migdal functions G(s) and F(s) of the quantum Landau-Pomeranchuk effect theory (DIRAC collaboration).
  
  Development of methods and programs, including parallel ones, for numerical investigations of nuclear-physical processes involving the hybrid microscopic optical potential model.
  
  Development of numerical methods and algorithms to study the properties of quantum quasi-stationary states in a two-barrier open well.
  
  Development of methods for solving the Lorentz-Newton equation and beam dynamics calculation for defining the new operating modes of the multipurpose isochronous cyclotrons: DC-280 (FLNR, JINR), AIC-144 (INP, PAS).
  
  Development of numerical-analytical methods for modeling phase transitions and transient processes in physical systems encountered in studies conducted at JINR (graphite-diamond, Josephson junction stacks, thermal conductivity in technical installations).
  
  Interval-dependent quadrature sums in Bayesian automatic adaptive quadrature.
  
  Implementation of a software package for the calculation of the rectangular matrix of the amplitudes of reflection and transmission and the corresponding wave functions for multi-channel scattering problems.
  
  Development of new approaches to analytical and numerical investigation of actual problems of the modern cosmology in view of recent cosmological data.
  
  Modeling the structure of polydisperse vesicular systems of phospholipids, including phospholipid transport of nano-systems and nano-medicaments, based on data from small-angle neutron and x-ray scattering.
  
  Investigation of localized structures and critical regimes in dissipative media described by non-linear Schroedinger equations.
  
  Development of a novel approach based on utility rate equations, for describing the evolution of complex systems.
  
  
• Development or updating of methods, algorithms and software for recording rare processes in different detectors of the CBM setup (STS, MuCh, TRD, MVD) using high-performance computing systems.
  
  Development of a database system for the CBM experiment (definition, agreement, and clarification of the general concepts, creation of a prototype database of the individual elements and detectors of the CBM setup).
  
  Development, testing and implementation of a new algorithm for constructing track-segments in the cathode strip chambers of the CMS setup.
  
  Development and application of the "CATIA-GDML Geometry Builder". Adaptation, development, Deployment of the CATIA v5 CAD system in JINR: localization, training and user support.
  
  Development of algorithms and software for the recognition of particle trajectories in the MPD and BM@N experiments.
  
  The use of robust methods for the detection of stochastic processes anomalies.
  
  Development of numerical methods, algorithms and software for metric analysis based reconstruction of nonlinear functional dependencies and for random processes forecasting.
  
  Design and development of effective methods and algorithms based on piecewise polynomial approximation of high order complex functional dependencies and smoothing experimental data using the basic element method.
  
  Creation and investigation of a pool of effective signatures of HERO calorimeter response as a source of input data vectors to artificial neural net of increased accuracy in the cosmic ray energy reconstruction problem.
  
  Extension of the capabilities for small-angle scattering data modeling (program "Fitter") and development, in the framework of the "SAS" program, of the primary data processing for multi-wire ring detectors for the YuMO spectrometer at the IBR-2 reactor.
  
  Refinement and improvement of the method of analysis of the sample temperature dependent phase transitions in spectra collected in experiments on HRFD at IBR-2.
  
  
• Creation of support within the information-computer environment of the heterogeneous cluster "HybriLIT" get prompt support and participate in tutorials on parallel programming technologies that are held by the leading specialists in the field of high performance computing.
  
  Development of algorithms for numerical investigation of multi-dimensional models that are based on evolutionary equations used for modeling physical processes in different materials (the mentioned processes appear at irradiation with heavy ions and pulsed beams), for modeling Josephson barriers in high-temperature superconductors. Program realization of obtained algorithms for carrying out computations on HybriLIT.
  
  Development of effective algorithms for the solution of molecular dynamics equations on hybrid computing infrastructures.
  
  Hybrid architecture adaptation of algorithms and program complexes designed for solution of multi-dimensional boundary problems of Schroedinger type equations used in investigations of mathematical models of many - particle quantum systems.
  
  Development and implementation of new parallel algorithms into the MCTDHB software complex designed for investigation of multi-dimensional dynamics of bosons' interaction in magneto optical traps.
  
  Development of the trigger software for the MuCh detector using the method of cellular automata and technologies of parallel computing.
  
  Adaptation and optimization of algorithms for the search and reconstruction of the parameters of particle trajectories under simultaneous processing on multiple many-core CPU and GPU architectures.
  
  Development of three-dimensional finite element mesh generation methods and parallel algorithms for hp-adaptive highly accurate calculations of three-dimensional non-linear magnetic fields.
  
  
• Symbolic-numeric description of the entangled space for two-qubit mixed states.
  
  Development of discrete combinatorial models for quantum systems with gauge structures and design of computer programs for the investigation of such models.
  
  Design of algorithms and programs to study resonant tunneling of composite particles through repulsive barriers in restricting potentials.
  
  Partial implementation in Maple of the reduction algorithm for Feynman diagrams by means of generalized recurrence relations.
  
  Study of non-equilibrium behaviour of trapped atoms under strong alternating perturbations.
  
  Numerical investigation of spin dynamics of magnetic nanoclusters and development of models for quantum information processing.
  
  

Next theme	Prev. theme
to field of reseach	to contents