BULLETIN OF THE LEBEDEV PHYISICS INSTITUTE
P.N.Lebedev Physics Institute of the Russian Academy of sciences

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1. Title:
SEYFERT GALAXIES - POSSIBLE SOURCES OF ULTRAHIGH-ENERGY COSMIC RAYS
Authors:
A.V. Uryson.



Abstract:


2. Title:
NEW APPROACH TO THE LATTICE VIBRATION THEORY OF SOLID SOLUTIONS
Authors:
V.S. Vinogradov.



Abstract:
The problem of vibrational excitation spectrum of a solid solution was solved. The inclusion of scattering of excitations from multiimpurity complexes made it possible to interpret the spectral fine structure and also its dependence on interimpurity correlations. The theory relationships are devoid of the drawbacks of preceding theories (ambiguity and non-physical relationships of physical quantities, the loss of translation symmetry of equations averaged over impurity locations) and provide a clear description of the phenomena. The results can be extended to other type excitations (excitons, electrons, magnons).


3. Title:
MAGNETIC PROPERTIES OF NiFe-SiC-NiFe NANOHETEROSTRUCTURES
Authors:
S.I. Kasatkin, A.M. Muravev, F.A. Pudonin.



Abstract:


4. Title:
KINETIC CHARACTERISTICS OF MACROPARTICLE CHARGING IN A PLASMA
Authors:
S.V. Vladimirov, S.A. Maiorov.



Abstract:


5. Title:
THE SUPERCONDUCTING PLATE IN A MAGNETIC FIELD
Authors:
G.F. Zharkov, V.G. Zharkov, A.Y. Tsvetkov.



Abstract: