In this thesis we have studied theoretically the linear and nonlinear optical properties of one electron GaAs quantum dot using the Schrdinger equation for rigid con nement. The studies on the linear and nonlinear optical ...
In this thesis, we studied the enhancement factor of local field for pure spherical metal composite, small spherical metal/dielectric composite and optical induced bistability of metal/dielectric composites with interfacial ...
In this thesis, we studied the enhancement factor of local field for ellipsoidal metal composite, and optical induced bistability of metal/dielectric composites with in linear host matrices which has not been studied in ...
The success of general theory of relativity in testing deflection of light, radar echo delay, precession of planetary motion and gravitational redshift by gravity are the manifestation of progress in astronomy and astrophysical ...
Gravitational lensing is one of the powerful methods for astrophysical investigations where
General Relativity (GR) is being applied. But, the appropriate parameters incorporated
in GR are still at debate among the ...
In this thesis the first principle calculation of tungsten disulfide (WS2) is investigated with density functional theory (DFT) using Quantum Espresso package. Our
study is based on Density Functional Theory (DFT) with ...
In this study the electronic and structural properties of carbon are determined with
respect to density functional theory employing QUANTUM ESPRESSO package.
The exchange-correlation energies are computed using local ...
In this thesis we have studied excitation function of charge transfer reaction in different nuclear mass region. In the study, calculations of the excitation function of 23 11 Na(p, n) 23 12 Mg, 23 11 Na(n, p) 23 10 Ne, ...
In this work, alpha ( 4 He) induced reactions on copper nucleus ( 65 29 Cu) in between the energy range 16 MeV up to 35 MeV were studied. The nuclear reaction cross sections for five reactions namely, 65 Cu(α, n) 68 Ga, ...
In this thesis we study the squeezing entanglement and statistical properties of the cavity light beams produced by a coherently driven non-degenerate three-level laser with an open cavity and coupled to a two-mode vacuum ...
We analyze the quantum properties of the light generated by a nondegenerate three-level laser in which the three-level atoms available in an open cavity are pumped to the top level by means ofstrong coherent light. We carry ...
In this study we have developed the Hamiltonian and trial wave functions for the
triangular quantum well. Then the schroendinger equation is solved analytically and
numerically for determining the ground and excited state ...
In this research paper ,we study the energy eigenvalue and tunneling effect of rectangular double quantum well (RDQW) heterostructures composed of two different semiconductors. The heterostructure is denoted as B/W/B/W/B, ...
Nickel is a metal which is widely distributed in nature; and it is found in animals, plants, and soil. The density functional theory (DFT) simulation tools were employed to investigate energies, magnetization and geometrical ...
The electronic and structural properties of Iron (Fe) were investigated using density functional theory (QUANTUM ESPRESSO). Iron is the main ingredient used to make steel and the crystalline structure is body center cubic ...
In this study the electronic and structural properties of Aluminum (Al) were investigated with respect to density functional theory by using Quantum Espresso Package.The local density approximation (LDA) and the generalized ...
Silicon (Si) and germanium (Ge) have an indirect band gap transitions; however when they are miniaturized to nanometer scale, the energy gap between the highest occupied molecular orbital (HOMO) and the lowest unoccupied ...
When crystals are constructed on a smaller scale (nanometeric scale), the energy gap between the highest occupied molecular orbital and the lowest unoccupied molecular orbital increased. In this thesis, quantum confinement, ...
The increasing interest in optical properties of the composite media is dictated by the fact that small particles, which are randomly embedded in a linear dielectric host matrix, can be manufactured with the help of modern ...
Today the science astronomy for the study of origins and evolutions has at an advancing level both theoretically and observationally. However, there are a number of works for further developments. For example, the data ...