In this thesis, we have seen the Hamiltonian and the master equation for the second harmonic light beam and one-mode subharmonic light beams coupled to vacuum reservoir. Employing the master equation, we have determined ...
In this research, we investigate the squeezing and statistical properties of coherently driven degenerate three-level laser with parametric amplifier for the cavity mode coupled to a single-mode a vacuum reservoir via a ...
Thestudy of horizontal movements of small scale ionospheric irregularities at Waltair (dip 17.7 0 N;83.3 0 E)using D1 technique was started as early as I.G.Y. period.In this paper the results of observations of the drift ...
It is generally believed that understanding of the formation, structure and evolution of stars and stellar systems remains a prerequisite for understanding the whole world more broadly speaking including the universe. ...
Currently the science of astronomy for the study of origins and evolutions is greatly advancing both theoretically and observationally. However, there are a number of works for further developments. For example, the data ...
We analyze the spectrum of entanglement fluctuations and local entanglement that holds true for the two-mode
photon system. We also present a definition for the degree of local entanglement. In order to carry out our ...
The optical bistability in a composite, composed of nonlinear cylindrical metallic particles with interfacial layers randomly embedded in a linear dielectric host, is reviewed. During the formation of composite, due to the ...
This research work have been done for the completion of MSc. degree in physics (Nuclear physics) under the title "The Role of One Proton Charge Excess in the Cross Section for the Formation and Decay of Compound Nucleus ...
This thesis presents the response of electric eld on second order nonlinear optical media. The work focus on purely theoretical study by using anharmonic oscillator model consisting of rectangle shape made of noncentrosymmetric ...
Refractive index and propagation of electromagnetic pulses are studied analytically and numerically in a medium with nanoellipsoidal metal/dielectric composites. The cases when all nanoellipsoidal inclusions are aligned ...
Wehave analyzed the statistical and squeezing properties of the signalmode applying thesolution of c-number Langivin equations for the combination of the twin signal light beams.We have found that the mean photon number ...
According to the current understanding stars are formed from dust molecular clouds (MCs) mostly from hydrogen gas interstellar medium (ISM). It is also believed that external agents like gravity shock-waves probably ...
The study starts from reviewing historical background and fundamental properties of photonic crystals to analytical analysis of electromagnetism in mixed dielectric media. Light propagation in one-, two- and three-dimensional ...
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. ...