Bulletin of the Lebedev Physics Institute

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Stimulated Raman Scattering of Light in Liquids in the Ultrasonic Wave Field
Bulletin of the Lebedev Physics Institute - - 2023
A. V. Skrabatun, A. A. Matrokhin, A. D. Kudryavtseva, A. N. Maresev, Т. В. Миронова, S. F. Umanskaya, N. V. Tcherniega, М. А. Шевченко
Application of SU(2) Group Fibration for Kinetic Problems of Polyatomic Molecules
Bulletin of the Lebedev Physics Institute - Tập 46 - Trang 26-28 - 2019
V. K. Konyukhov, E. V. Stepanov, S. K. Borisov
We point out the region in 3D-space permitted by symmetry that is available for the translational motion of rotating molecules. This region belongs to the one-parametric subgroup noted as fiber. It has the range of 0–1 for real variable and is disposed on the straight line directed by basic quaternion. The base part of fibration contains the two-dimensional sphere known as a symmetry structure whi...... hiện toàn bộ
Temperature Dependence of the Vibrational Mode of Pb1 –xSnxTe Films Grown by MBE on the GaAs/CdTe Hybrid Substrate
Bulletin of the Lebedev Physics Institute - - 2020
V. A. Yakovlev, S. Schreyeck, A. V. Muratov, И. В. Кучеренко, V. S. Vinogradov, Н. Н. Новикова, G. Karczewski, Yu. A. Aleshchenko, S. Chusnutdinow
On-line laser sensor of the natural water pollution based on the photosynthetic organisms as fluorescent bioindicators
Bulletin of the Lebedev Physics Institute - Tập 38 - Trang 12-14 - 2011
T. S. Gostev, F. I. Kouzminov, S. A. Moiseev
The possibility of using photosynthetic organisms as a fluorescent sensor of the presence of toxicants in natural waters is presented. It is based on high sensitivity of molecular photophysical parameters of chlorophyll a obtained by the method of nonlinear laser fluorimetry to the physiological state of photosynthetic apparatus. Laboratory study of the dependence of photophysical parameters of mi...... hiện toàn bộ
New Highly Reliable Optical Transmitting Modules Based on High-Power Superluminescent Diodes in the Spectral Range of 1.5–1.6 μm
Bulletin of the Lebedev Physics Institute - Tập 50 - Trang S1246-S1251 - 2024
D. R. Sabitov, V. N. Svetogorov, Yu. L. Ryaboshtan, M. A. Ladugin, A. A. Marmalyuk, M. G. Vasil’ev, A. M. Vasil’ev, Yu. O. Kostin, A. A. Shelyakin
We report the fabrication of 1.5–1.6 μm light-emitting modules based on an AlGaInAs/InP heterostructure with strain-compensated quantum wells in new, smaller, thermally stabilized housings. Their performance is tested under extreme operating conditions. The reliability of such modules and stability under the influence of climatic factors is studied.
The Source of Gamma Photons in Multipetawatt Multibeam Systems of Electric Dipole Configuration
Bulletin of the Lebedev Physics Institute - Tập 50 - Trang S671-S679 - 2023
E. S. Efimenko, A. V. Bashinov, A. A. Muraviev, E. A. Panova, V. D. Volokitin, I. B. Meyerov, A. V. Kim, A. M. Sergeev
The possibility of developing an ultra-high-brightness photon source with energies up to several GeV based on promising multipetawatt multibeam laser systems have been studied. For a maximum photon energy to be reached and for a directed photon beam to be generated, it is proposed to use an electric dipole field structure as the main configuration, which maximizes the amplitude of the electric fie...... hiện toàn bộ
On the thermodynamics of degenerate Bose gas with delta-shaped interaction potential
Bulletin of the Lebedev Physics Institute - Tập 43 - Trang 365-368 - 2017
V. B. Bobrov, A. G. Zagorodny, S. A. Trigger
Within the self-consistent Hartree–Fock approximation, the equilibrium weakly nonideal Bose gas with a delta-shaped interaction potential in the presence of the Bose–Einstein condensate is considered without using quasi-averages. On this basis, using the virial theorem and diagram techniques of the perturbation theory for the equilibrium system in a macroscopic volume, the equation of state provid...... hiện toàn bộ
Erratum to: Optical Sensor for Measuring the Scanning Proton Beam Profile at the Prometheus Medical Accelerator
Bulletin of the Lebedev Physics Institute - Tập 50 Số 2 - Trang 73-73 - 2023
В. В. Сиксин
EXTENDED DEFECTS IN GaAs/Ge/GaAs HETEROSTRUCTURES WITH TURNING GaAs LAYERS
Bulletin of the Lebedev Physics Institute - Tập 47 - Trang 365-370 - 2021
I. P. Kazakov, S. A. Zinov’ev, A. V. Klekovkin, V. A. Sazonov, V. N. Kukin, N. I. Borgardt
The GaAs layer turn on Ge at a right angle in the substrate plane was studied by high-energy electron diffraction and transmission electron microscopy methods when growing GaAs/Ge/GaAs heterostructures using individual molecular-beam epitaxy systems for GaAs and Ge, with sample transfer through atmosphere.
Energy Levels of Mesomolecular Ions of Hydrogen in Variational Approach
Bulletin of the Lebedev Physics Institute - Tập 46 - Trang 143-147 - 2019
A. P. Martynenko, F. A. Martynenko, V. V. Sorokin, O. S. Sukhorukova, A. V. Eskin
Energies of the ground and excited states of mesomolecular ions tdμ, dpμ, and tpμ, are calculated based on the stochastic variational method of quantum electrodynamics. Basis wave functions are chosen in the Gaussian form. Hamiltonian matrix elements are calculated analytically. A computer code in the MATLAB environment is developed for numerical calculations. The values of energies of the ground ...... hiện toàn bộ
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