Browsing by Author "Davoudi, B."

Now showing items 1-10 of 10

    • Charged bosons in a quasi-one-dimensional system 

      Tanatar, Bilal; Davoudi, B.; Kohandel, M. (American Physical Society, 2000)
      The ground-state properties of a system of charged bosons in a quasi-one-dimensional model with a neutralizing background are investigated within the hypernetted-chain approximation. Strong correlation effects drive the ...

    • Comparative study of screened interlayer interactions in the Coulomb drag effect in bilayer electron systems 

      Asgari, R.; Tanatar, Bilal; Davoudi, B. (The American Physical Society, 2008)
      Coulomb drag experiments in which the interlayer resistivity is measured are important as they provide information on the Coulomb interactions in bilayer systems. When the layer densities are low correlation effects become ...

    • Dynamic correlations in double-layer electron systems 

      Tanatar, Bilal; Davoudi, B. (The American Physical Society, 2001)
      We study the effects of dynamic correlations on the ground-state properties of a double-layer two-dimensional electron gas within the quantum Singwi-Tosi-Land-Sjölander theory (STLS). The intralayer and interlayer static ...

    • Dynamical correlations in Coulomb drag effect 

      Tanatar, Bilal; Davoudi, B.; Hu, B.Y.-K. (Elsevier, 2003)
      Motivated by recent Coulomb drag experiments in pairs of low-density two-dimensional (2D) electron gases, we investigate the influence of correlation effects on the interlayer drag rate as a function of temperature. We use ...

    • Effective mass enhancement in two-dimensional electron systems: The role of interaction and disorder effects 

      Asgari, R.; Davoudi, B.; Tanatar, Bilal (Elsevier, 2004)
      Recent experiments on two-dimensional (2D) electron systems have found a sharp increase in the effective mass of electrons with decreasing electron density. In an effort to understand this behavior we employ the many-body ...

    • Freezing transition of the vortex liquid in a layered superconductor 

      Davoudi, B.; Kohandel, M.; Tanatar, Bilal (Elsevier Science Publishers B.V., 2001)
      The self-consistent theory of Singwi, Tosi, Land, and Sjolander is used to describe the liquid-solid phase in a layered superconductor in the limit of weak interplane correlation effects as would be applicable to BSCCO ...

    • Ground-state properties of the two-dimensional charged Bose gas 

      Davoudi, B.; Strepparola, E.; Tanatar, Bilal; Tosi, M. P. (American Physical Society, 2001-03-01)
      We study the two-dimensional gas of charged bosons interacting via a logarithmic potential within the quantal hypernetted-chain approximation. The pair correlation function, the static structure factor, the groundstate ...

    • Hard-core Yukawa model for charge-stabilized colloids 

      Davoudi, B.; Kohandel, M.; Mohammadi, M.; Tanatar, Bilal (American Physical Society, 2000)
      The hypernetted chain approximation is used to study the phase diagram of a simple hardcore Yukawa model of a charge-stabilized colloids. We calculate the static structure factor, the pair distribution function, and the ...

    • Hard-core Yukawa model for two-dimensional charge-stabilized colloids 

      Asgari, R.; Davoudi, B.; Tanatar, Bilal (American Physical Society, 2001-10)
      The hypernetted chain and Percus-Yevick approximations are used to study the phase diagram of a simple hard-core Yukawa model of charge-stabilized colloidal particles in a two-dimensional system. We calculate the static ...

    • Plasmon dispersion and damping in double-layer electron systems 

      Davoudi, B.; Tanatar, Bilal (Elsevier Science Ltd, Exeter, United Kingdom, 2000)
      We use dynamical local-field corrections to study the plasmon dispersion and damping in double-layer electron systems. The wave vector and frequency-dependent local-fields describing the exchange-correlation effects are ...