A theory of everything (TOE) that fully explains and links together all physical aspects of the universe is the interest of all scientific community. But, finding such unifying theory is the major unsolved problem in ...
In this thesis, we have analyzed a pair of superposed twin squeezed states with the same or different frequency. We have found that the mean photon number for a pair of superposed twin squeezed states is the sum of that ...
The confinement properties of semiconductor nanostructures has promising potential in technological application. Such application originated from the features confined nanostructures,that could be analysed thought a mechanism ...
Low-Lying states in the odd-mass Hg isotopes, (197,199,201)Hg, have been investigated in
the framework of the Particle Plus Tri-Axial Rotor Model (PTRM). To perform these calculations, the computer codes GAMPN, ASYRMO, ...
In this thesis, the Hamiltonian and wave functions of parabolic quantum wells with
applied electric field are developed. Then the Schrodinger ¨ equation is solved analytically and numerically for determining the energy ...
In this thesis, we discussed about the optical properties of three dimensional two
electron zinc oxide (ZnO) quantum dot in parabolic confinement. Quantum dots
are the minimum limit of low dimensional semiconductor systems ...
We have analyzed the squeezing and statistical properties of the light produced by one-mode subharmonic generator coupled to thermal reservoir. We first obtain c-number Langevin equation with the aid of the master equation. ...
One of the most intensively explored classes of semiconductor structures is the class of quantum wires. With the advances in semiconductor growth techniques it is possible to fabricate quantum wires of different sizes and ...
In this research we have studied the squeezing and statistical properties of the cavity light produced by a coherently driven nondegenerate three-level laser with an open cavity and coupled to a two-mode vacuum reservoir ...
In this research, we analyze quadrature squeezing and photon statistics of the light produced by non-degenarate three level laser coupled to thermal reservoir. It is clearly shown that the mean photon number of the system ...
We have analyzed photon statistics and quadrature squeezing of the signal mode produced by one-mode subharmonic generator. It is found that the mean photon energy of the signal mode is twice of a twin signal light beam. ...
This study presents experimental method in order to determine the mass attenuation coefficient of a copper with different energy for 22 Na and 137 Cs sources . It is compared with two theoritical methods a graphic method ...
Since the birth of General Relativity, (GR) the presence of compact objects (COs) as the stellar evolutionary end points were remained with great debates for several decades. However, in the course of new observational ...
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 ...