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Перегляд Condensed Matter Physics, 2004, том 7 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Condensed Matter Physics, 2004, том 7 за датою випуску

Сортувати за: Порядок: Результатів:

  • Computer simulation study of the diffusion of water molecules confined in silica gel 
    Patsahan, T.; Holovko, M. (Condensed Matter Physics, 2004)
    The molecular dynamics simulations are used to study the dynamic properties of SPC/E water molecules confined in silica gel. The model proposed in this study covers three main features that characterize systems of ...
  • Longitudinal dynamics in a Lennard-Jones binary liquid: Crossover from hydrodynamics to the molecular regime 
    Bryk, T.; Mryglod, I. (Condensed Matter Physics, 2004)
    Longitudinal collective dynamics of an equimolar Lennard-Jones KrAr mixture is studied in detail in a wide range of spatial and time scales. Combining both the molecular dynamics simulations and analytical generalized ...
  • Phase behaviour of the restricted primitive model 
    Patsahan, O.V. (Condensed Matter Physics, 2004)
    The phase behaviour of the restricted primitive model (RPM) is studied using a microscopic approach recently developed for the description of phase transitions in binary fluid mixtures. For the model we obtain the explicit ...
  • Polaron in cylindrical and spherical quantum dots 
    Fai, L.C.; Teboul, V.; Monteil, A.; Nsangou, I.; Maabou, S. (Condensed Matter Physics, 2004)
    Polaron states in cylindrical and spherical quantum dots with parabolic confinement potentials are investigated applying the Feynman variational principle. It is observed that for both kinds of quantum dots the polaron ...
  • Analysis of the fundamental characteristics of diamond-like crystals and low-dimensional structures 
    Litovchenko, V.G. (Condensed Matter Physics, 2004)
    The principle has been developed for systematizing the diamond-like crystals with tetrahedral structure of the elementary cells and with valence chemical bonds, based on the calculation of the lattice constant. The approach ...
  • Casimir force in critical ternary polymer solutions 
    Ridouane, H.; Hachem, E.-K.; Benhamou, M. (Condensed Matter Physics, 2004)
    Consider a mixture of two incompatible polymers A and B in a common good solvent, confined between two parallel plates separated by a finite distance L. We assume that these plates strongly attract one of the two polymers ...
  • Scattering from ramified polymeric systems 
    Benhamou, M.; Ghaouar, N.; Gharbi, A.; Benmouna, M. (Condensed Matter Physics, 2004)
    Here, of great interest to us is a quantitative study of the scattering properties from ramified polymeric systems of arbitrary topology. We consider three types of systems, namely ramified polymers in solution, ramified ...
  • Tight-binding description of TiCx 
    Ivashchenko, V.I.; Turchi, P.E.A.; Shevchenko, V.I.; Ivashchenko, L.A.; Porada, O.K. (Condensed Matter Physics, 2004)
    A parametrized non-orthogonal tight-binding (TB) method combined with the coherent-potential-approximation is applied to the study of the electronic structure of disordered off-stoichiometric TiCx, the lattice relaxation ...
  • Effective interactions in the binary metallic systems 
    Koval, S.P.; Solovyan, V.B. (Condensed Matter Physics, 2004)
    The basic approach in the microscopic theory of binary metal systems has been developed. The electron-ion model Hamiltonian with nonlocal manyparticle interactions was obtained using the statistical operator averaging for ...
  • Isotopic effects in partially deuterated piezoelectric crystals of Rochelle salt 
    Levitskii, R.R.; Zachek, I.R.; Moina, A.P.; Andrusyk, A.Ya. (Condensed Matter Physics, 2004)
    We develop a theory for dielectric, piezoelectric, and elastic properties of partially deuterated (quenched disorder) crystals of Rochelle salt with taking into account the piezoelectric coupling. Results of numerical ...
  • Gaussian fluctuations of polarization in the region of phase transitions in DMAGaS-DMAAlS ferroelectrics in the framework of the four-state model 
    Stasyuk, I.V.; Velychko, O.V. (Condensed Matter Physics, 2004)
    A description of thermodynamics of the DMAGaS-DMAAlS family ferroelectrics improved by taking into account the Gaussian fluctuations of polarization is presented. Fluctuations become important in the vicinity of the second ...
  • Electronic structure of mixed valent systems 
    Antonov, V.N.; Shpak, A.P.; Yaresko, A.N. (Condensed Matter Physics, 2004)
    The electronic structure of Tm and Sm monochalcogenides, SmB₆ and Yb₄As₃ is theoretically investigated from the first principles, using the fully relativistic Dirac LMTO band structure method. The electronic structure is ...
  • Density-functional calculations for Ce, Th, and Pu metals and alloys 
    Landa, A.; Soderlind, P. (Condensed Matter Physics, 2004)
    The phase diagrams of Ce, Th, and Pu metals have been studied by means of density-functional theory (DFT). In addition to these metals, the phase stability of Ce-Th and Pu-Am alloys has been also investigated from ...
  • The electroconductivity of the liquid alloys of transition metals 
    Shvets, V.T.; Savenko, S.V.; Datsko, S.V. (Condensed Matter Physics, 2004)
    The concentration dependance of electroresistivity of the liquid binary alloys of transition metals Fe, Co and Ni is calculated. We considered the contribution to conductivity from the s-electrons, described within the ...
  • Collective excitations and generalized transport coefficients in a molten metallic alloy Li₄Pb 
    Bryk, T.; Mryglod, I. (Condensed Matter Physics, 2004)
    Collective dynamics of a molten metallic alloy Li₄Pb is studied using a combination of analytical multivariable approach of generalized collective modes and molecular dynamics simulations. Dispersion and damping of two ...
  • Thermodynamic properties of polydisperse fluid mixtures 
    Leroch, S.; Gottwald, D.; Kahl, G. (Condensed Matter Physics, 2004)
    We present a systematic study of the thermodynamic properties of a polydisperse fluid mixture. The size of the particles, σ , is assumed to be distributed according to a continuous distribution function fΣ(σ) , for ...
  • Simple fluid in an attractive, disordered polydisperse matrix 
    Patsahan, T.; Holovko, M. (Condensed Matter Physics, 2004)
    The extension of the replica Ornstein-Zernike (ROZ) equations is applied to the study of the structural properties of a Lennard-Jones fluid confined in an attractive polydisperse disordered matrix. The ROZ equations in ...
  • Transport properties of the strongly correlated systems 
    Domanski, T.; Krawiec, M.; Michalik, M.; Wysokinsk, K.I. (Condensed Matter Physics, 2004)
    The transport properties of various systems are studied here in the context of three different models. These are: (i) the disordered Hubbard model applicable to correlated binary alloys with a general disorder, (ii) the ...
  • Raman light scattering in pseudospin-electron model at strong pseudospin-electron interaction 
    Mysakovych, T.S.; Stasyuk, I.V. (Condensed Matter Physics, 2004)
    Anharmonic phonon contributions to Raman scattering in locally anharmonic crystal systems in the framework of the pseudospin-electron model with tunneling splitting of levels are investigated. The case of strong pseud ...
  • Phonon spectra near metal-insulator phase transition in Li₁₊xTi₂₋xO₄ system 
    Buletsa, E.P.; Ivanyas, O.F.; Kindrat, V.J.; Nebola, I.I.; Shkirta, I.M.; Shtejfan, A.J. (Condensed Matter Physics, 2004)
    Li₁₊xTi₂₋xO₄ The phonons of two end members of Li₁₊xTi₂₋xO₄ spinel system, i.e., the metallic LiTi₂O₄ and the insulating Li[Li₁/₃Ti₅/₃]O₄, are calculated in superspace symmetry approach using a short-range force ...

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