Quantum limit of the experimental error in the energy of а relaxing oscillator
Quantum limit of the experimental error in the energy of а relaxing oscillator
Yu.I. Vorontsov and I.V. Kobzar
The relaxation time of an oscillator during the process of energy measurement depends on the state of the measuring device , and this sets а fundamental limit on the experimental uncertainty in the measured energy of the oscillator.
Show AbstractUnsatisfactory definition of total energy in GTR formulated on а "flat background"
Unsatisfactory definition of total energy in GTR formulated on а "flat background"
А.А. Vlasov
А simple example is used to show that the formulation of the general theory of relativity on а "flat background" cannot lead to а solution for the energy-momentum of the gravitational field.
Show AbstractGravitational singularities of the caustic type
Gravitational singularities of the caustic type
G.А. Sardanashvili and Е.G. Timoshenko
А description is given of а new type of gravitational singularity which take s the form of space-time foliation caustics
Show AbstractHistory of quantum theory of radiation in Russia
History of quantum theory of radiation in Russia
Т.V. Aleksakhina and В.I. Spasskii
The contribution of Russian physicists to the development of the quantum theory of radiation prior to the advent of quantum mechanics is examined. The first experimental confirmation of the theory of photons and theoretical studies of the connection between the quantum hypothesis and the Planck formula are discussed.
Show AbstractSpectral filtration of images using а tunable acoustooptic filter
Spectral filtration of images using а tunable acoustooptic filter
V.В. Voloshinov, L.А. Kulakov, and O.V. Mironov
The filtration of images bу the acoustooptic method has been investigated in the optical wavelength range between 0.5 and 1.2 μm
Show AbstractStimulated undulator radiation emitted Ьу а tubular electron beam
Stimulated undulator radiation emitted Ьу а tubular electron beam
Yu.I. Bogdanov
The structure of the radiation field due to the tubular electron beam in а high-gain free-electron laser is discussed, taking diffraction into account.
Show AbstractBehavior of а Lorentz system under parametric interaction
Behavior of а Lorentz system under parametric interaction
D.А. Gribkov and Yu.I. Kuznetsov
The synchronization of chaotic oscillations of а Lorentz systern under pararnetric interactions is investigated. It is shown that the threshold rnodulation depth of the pararneters is а power- type function of the Kolrnogorov entropy.
Show AbstractVariations in the spectral parameters of optical coatings for obliquely incident light
Variations in the spectral parameters of optical coatings for obliquely incident light
N.V. Grishina and А.V. Tikhonra vov
The statistical approach is used to estimate the effect of errors in the parameters of layers in two - component optical coatings on their spectral characteristics for obliquely incident light.
Show AbstractRotational friction of biopolymers in solution
Rotational friction of biopolymers in solution
V.Р. Denisov, V.V. Migulin, Yu.М. Petrusevich, and O.Р. Revokatov
It was demonstrated experimentally that electrostatic interactions between polymers and water have а strong effect on the viscosity of biopolymer solutions and on the rotational correlation time of macromolecules. The relationship between these parameters was investigated.
Show AbstractEffect of an electric field on the conductivity of a - Si:H films with а high hydrogen concentration
Effect of an electric field on the conductivity of a - Si:H films with а high hydrogen concentration
I.А. Kurova and Е.N. Ponarina
The increase in the conductivity of a - Si:H filrns detected for elec tric fields Е > 20 V/cm has been investigated. А rnodel of the effect is proposed.
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