Browsing Scopus İndeksli Yayınlar Koleksiyonu by Department "Fen Edebiyat Fakültesi, Fizik Bölümü"
Now showing items 120 of 38

Anderson localization in optical lattices with speckle disorder
(Amer Physical Soc, 2011)We study the localization properties of noninteracting waves propagating in a specklelike potential superposed on a onedimensional lattice. Using a combined decimationrenormalization procedure, we estimate the localization ... 
Calculation of the inverse relaxation time and the activation energy as a function of temperature for the Raman modes close to the phase transitions in solid nitrogen
(Elsevier, 2021)The inverse relaxation time is calculated as a function of temperature for the transitions of alpha  beta (P = 0) and epsilondelta(loc)delta (at constant pressures) in the solid N2. For this calculation, the observed ... 
Calculation of the Phase Diagrams For the FluidSolid and SolidSolid (DeltaDelta(Loc)Epsilon) Transitions in Molecular Nitrogen By Using Mean Field Model
(Editura Acad Romane, 2019)The temperaturepressure (TP) phase diagrams are calculated using the mean field models for the solidfluid (first order) and, the solidsolid transitions of the deltadelta(loc) (second order) and delta(loc)epsilon ... 
Calculation of the Raman and IR frequencies from the volume data at high pressures in N2
(Elsevier Gmbh, Urban & Fischer Verlag, 2018)Raman and IR frequencies of N2 in the molecular state are calculated as a function of pressure up to 160 GPa by using the volume data from the literature through the mode Gruneisen parameter. By determining the Gruneisen ... 
Calculation of the Raman frequency and linewidth of vibrons using anharmonic self energy model for the epsilon , delta(loc) and delta phases in solid nitrogen
(Elsevier Gmbh, 2020)Temperature dependences of the Raman frequency shifts and linewidths of vibrons nu(1), nu(2) and nu(22) are calculated from the anharmonic self energy in the epsilon, delta(loc) (localized delta) and delta phases of solid ... 
Calculation of the thermodynamic functions from the Raman frequency shifts close to the epsilon  delta(loc)  delta transitions and Pippard relations in nitrogen
(World Scientific Publ Co Pte Ltd, 2020)Thermodynamic functions of the thermal expansion (alpha(p)), isothermal compressibility (kappa(T)) and the difference in the heat capacity (Cp  Cv) are calculated as a function of temperature (P = 18 GPa) close to the ... 
Calculation of the Thermodynamic Functions Using A Mean Field Model For the FluidSolid Transition in Nitrogen
(Editura Acad Romane, 2020)Temperature and pressure dependence of the thermodynamic quantities are calculated using the Landau phenomenological model for the first order fluidsolid transition in nitrogen. This calculation is performed by fitting ... 
Chemical Reactivity Perspective into the Group 2B Metals Halides
(Amer Chemical Soc, 2016)Chemical reactivity descriptors within the conceptual density functional theory can be used to understand the nature of the interactions between two monomers of the Group 2B metal halides. This information might be valuable ... 
Condensate oscillations oscillations in a Penrose tiling lattice
(Elsevier Science Bv, 2017)We study the dynamics of a BoseEinstein condensate subject to a particular Penrose tiling lattice. In such a lattice, the potential energy at each site depends on the neighbour sites, accordingly to.the model introduced ... 
Condensation of twodimensional harmonically confined bosons with Besseltype interactions
(Amer Physical Soc, 2011)We study the groundstate configurations of few interacting bosons confined in two dimensions by anisotropic harmonic potentials. By means of variational calculations, including correlation effects, we show that the ... 
Dynamical instability of a bosonfermion mixture at low dimensions
(Elsevier Science Bv, 2009)We examine theoretically the dynamical response of a homogeneous mixture of condensed bosons and spinpolarized fermions confined inside a quasitwodimensional or a quasionedimensional geometry, considering quasithre ... 
Fabrication and characterization of TiOx based singlecell memristive devices
(Institute of Physics, 2023)Nowadays, remarkable progress has been observed in research into neuromorphic computing systems inspired by the human brain. A memristive device can behaviorally imitate the biological neuronal synapse therefore memristorbased ... 
Fluorescence study of effect of particle size in PS latex/Al2O3 nanocomposite films
(Maney Publishing, 2015)Steady state fluorescence and BioUVVisible techniques were used to study film formation of polystyrene (PS) latex and Al2O3 composites depending on PS particles size and Al2O3 content. Two film series (SmPS/Al2O3 and ... 
Fluorescence study of film formation from PS/Al2O3 nanocomposites
(Elsevier Science Sa, 2014)Steady state fluorescence (SSF) and UVvis (UVV) techniques were used to study the film formation behavior of pyrene (P) labeled polystyrene (PS) latex and Al2O3 (PS/Al2O3) composites depending on PS particles size and ... 
Highresolution birefringence investigation of octylcyanobiphenyl (8CB): An upper bound on the discontinuity at the smecticA to nematic phase transition
(Amer Physical Soc, 2013)We report optical birefringence data by two different methods with high temperature resolution for octylcyanobiphenyl (8CB) near the smecticA to nematic (SmAN) phase transition temperature TAN. Within the resolution ... 
Infrared, Raman and density functional characterization and structural study of 2Nitro2phenylpropane1,3diol
(Elsevier Science Bv, 2017)Nitro compound and nitro derivatives are industrially important to produce rubber and agricultural chemicals. In this study, one of the promising derivatives of nitro compound 2Nitro2phenylpropane1,3diol (2NPP) is ... 
Investigation of particle size effect on film formation of polystyrene latexes using fluorescence technique
(Elsevier Science Bv, 2016)This study reports the particle size effects on the film formation behavior of pyrene labeled polystyrene (PS) latexes by a combination of steady state fluorescence (SSF), UVvis (UVV) and atomic force microscopy (AFM) ... 
Investigation of the 121Sb(α,γ)125I reaction crosssection calculations at astrophysical energies
(Springer, 2023)Protonrich nuclei are synthesized via photodisintegration and reverse reactions. To examine this mechanism and reproduce the observed pnucleus abundances, it is crucial to know the reaction rates and thereby the reaction ... 
Investigation of vibrational, elastic and dielectric properties of cubic gauche nitrogen (cgN)
(Elsevier GmbH, 2021)Vibrational, elastic and dielectric properties of the cubic gauche nitrogen (cgN) are investigated by analyzing the Raman optic and zonecenter phonon modes using the literature data. From the pressure dependence of those ... 
Linear redshift parametrization of deceleration parameter in f(R,Lm) gravity
(Elsevier B.V., 2024)In this study, we investigate the linear redshift parametrization of q(z) within the framework of f(R,Lm) gravity, using constraints derived from H(z)/Pantheon samples. We consider a nonlinear functional form for f(R,Lm), ...