density matrix

By means of the rate-equation approximation of a density matrix method, the state equation of optical bistability was derived.

On the basis of force density matrix of cable element , a force density matrix of triangle membrane element is introduced.

Using the density matrix theory describes the absorption and dispersion properties of the detecting light.

Secondly, the analytic formulas for optical rectification is derived by using the compact-density-matrix approach and iterative method.

The analytic formulas for the second harmonic generation is derived by using the compact-density-matrix approach and iterative method.

Off-diagonal elements of density matrix go to zero.

Non-perturbation Master Equation for the Reduced Density Matrix of the J-C Model

Resonance Scattering Spectra for Silver Clusters by Density Matrix Procedure

Simulation of Heisenberg ladder by simplified numerical density-matrix renomalization-group method

Calculation of Density Matrix of One-dimensional Harmonic Oscillator Ensemble

Density Matrix of Two-level Atom in the Electromagnetism Field

based on Schodinger equation, the evolution equations of density matrix in two-level atomic system is gained;

The transformation of density matrix of four-level system in solid laser

Folding Model Analysis of Proton Elastic Scattering Based on the One-Body Density Matrix of Shell Model