Effective equations in quantum cosmology
A framework for effective equations of expectation values in quantum cosmology and pose for them the quantum Cauchy problem with tunneling wavefunctions. The eld-theoretical sector of inhomogeneous modes. The technique of manifest quantum reduction.
Подобные документы
Equations of motion for nuclear shape variables which establish a direct connection of the memory effects with the dynamic distortion of the Fermi surface. Applying the non-Markovian dynamics to the description of the nuclear giant multipole resonances.
статья, добавлен 12.09.2013Deformation of solids. The study of plastic flow. The nanoscale point defects a transition from the solid state of the medium. Synergetic equations describing the self-organization of the particles. Phase diagram of the system and distribution function.
статья, добавлен 30.07.2016The effectiveness of the solution algorithms, integration of Euler’s method. Substantial foundations of the theory of creep. Requirements for a number of material constants that describe the experiment. Foundations of hypotheses of the microstrains.
статья, добавлен 29.11.2016Closed model of the turbulent boundary layer, obtained from the Navier-Stokes equations. Fundamental constants of near-wall turbulence, including the Karman constant. Determination of the accelerated and nonisothermal boundary layer over a rough surface.
статья, добавлен 27.04.2017The aerodynamic properties of the wing (drag, lift-to-drag ratio and induced drag) were investigated experimentally. Two forms of nonlinear equations of lift curves. Flow visualization in observing the influences of tip vortices shed from the wing tips.
статья, добавлен 18.01.2014- 56. Near-field coherent effects at thermal microwave radiation receiving on coupled linear wire antennas
A theory of electromagnetic wave multiple scattering by ensemble of dielectric and conductive bodies, with describing the excited currents inside bodies of electric field tensor T-scattering operator. A system of equations for currents on surfaces.
статья, добавлен 04.11.2018 The system of Dirac equations describing the dynamics of quarks in hadrons metric. Assumed that the quarks interact via an external Yang-Mills field. Magnetic moments of the proton, neutron and lambda baryon. Model of the baryons in a stationary metric.
статья, добавлен 29.04.2017Description and study of electrodynamic processes in simple metaldielectric waveguide. Determination of the structure of the electromagnetic field in the waveguide, parameters of the guide system of dispersion equations and parameters of their own waves.
статья, добавлен 24.06.2016The implementation of the algorithm of the mathematical model, the procedure for calculating the necessary expressions and their type of representation. Programming sequence of the mathematical model consideration. The equations for current and voltage.
статья, добавлен 02.02.2019A system of Dirac equations describing the dynamics of quarks in the metric of atomic nuclei. Description of the binding energy of nucleons as a function of the quark content. Dependence of the binding energy of nucleons similar to electron shells.
статья, добавлен 29.04.2017The two dimensional magnetic micropolar generalized thermoelastic medium, in the presence of the effect of Hall currents. Laplace and exponential Fourier transform techniques are employed to transform the governing partial differential equations to ODE.
статья, добавлен 22.03.2016Obtaining the asymptotic solution of the weakly nonlinear scalar oscillator resulting amplitude equation. The regular perturbation method generally feature secular behavior. The renormalization group method proposed by Chen, Goldenfeld, and Oono.
статья, добавлен 09.09.2012The nonlinearly damped semilinear wave equation and a thermoelastic Mindlin-Timoshenko plate system with nonlinear viscous damping. The upper semi-continuity of the attractor with respect to the parameters related to the coupling terms and the shear.
статья, добавлен 30.10.2016The task on the classification of the linear stochastic differential Ito equation of a given type which changes due to the parameters appearing in this equation. The study is a table full of group classification of the equations. Lie operation algebra.
статья, добавлен 22.01.2017The necessity of using a synergistic effect in energy systems that include vertical axial wind power plants. The ways of achieving a synergistic effect at different levels of the system hierarchy. The Navier-Stokes differential equations solution.
статья, добавлен 07.09.2022Investigation of the kinetic nonequilibrium dynamics of the electron-phonon system of a crystal in a strong electric field on the basis of the numerical solution of the system of kinetic Boltzmann equations for the electronic and phonon functions.
статья, добавлен 22.12.2016Infinitesimal transformations, Maxwell tensor and electromagnetic forces. The Maxwell field tensor. Integral curves associated with the equations of motion and the end of the Lorentz transformation. Electromagnetic force and geometry of space-time.
статья, добавлен 11.09.2012A problem for an infinite array of longitudinal slots excited by planar waveguides is considered. An equation is solved with help of Galerkin’s technique for a case of normal radiation. Problems of the array matching in narrow bands are considered.
статья, добавлен 04.11.2018The theoretical analysis of the temperature dependences in linear voltammetry in this communacation for reversible and totally irreversible electrochemical processes. Features of studing means of linear voltammetry technique in sulfare solutions.
статья, добавлен 27.07.2016Contact resistance and Schottky barriers, optical characterization. Interface traps and inversion charge frequency response to the extraction of the effective mobility. X-Ray and Gamma-Ray techniques, schematic of a scanning electron microscope.
книга, добавлен 11.06.2014The study of ultra-broadband composite absorbers of electromagnetic waves. The level of absorption in a wide band of frequencies, a combination of mechanisms enhancing the loss of energy field. Harmonization of resistance and destructive interference.
статья, добавлен 13.10.2016- 72. Cold fusion
Limited energy resources as a major problem in the energy sector. Increased use of oil and natural gas. Reaction of nuclear fission and fusion. The energy released in the fusion of two light nuclei. Isolation of radioactive hazardous substances.
реферат, добавлен 18.01.2014 Checking the accuracy of an experimental technique suggested earlier for determining piezooptic coefficients. It is based on inducing a predefined 2D distribution of mechanical stresses in a transparent material disk compressed along its diameter.
статья, добавлен 29.01.2016Traditional technical solutions and algorithms for TCSC are analyzed in paper and new method for control of thyristors during power system transient conditions is suggested. An effective way for system oscillation damping on present compensation degree.
статья, добавлен 23.06.2013A technique of measuring the output of delayed neutrons of fission in the process of learning cores, with the help of a mechanical chopper. The use of neutron flux applied for demodulation, correlated with the modulation of the thermal neutron flux.
статья, добавлен 19.09.2013