Journal of Experimental and Theoretical Physics 





ZhETF, Vol. 90, No. 2, February 1986
(English translation  JETP,
Vol. 63, No. 2, February 1986
)
The issue content is only available in English translation!
GRAVITATION, ASTROPHYSICS 
The Papapetrou and Dixon equations of motion

401

NUCLEI, PARTICLES, AND THEIR INTERACTION 
Oscillations of cross section for photoproduction of an electronpositron pair in an external field

409

The path group and the interaction of quantum strings

416

ATOMS, SPECTRA, RADIATION 
Investigation of kinetic processes in molecular nitrogen by the CARS method

429

Valence electron configurations of tellurium in its compounds, found from the xrayline chemical shift and the isomer shift

437

Impact ionization in semiconductors under the influence of the electric field of an optical wave

445

Threshold energy dependence of the intramolecular vibrational relaxation rate tor an isolated polyatomic molecule

458

PLASMA, GASES 
Particle heating by a lowamplitude wave in an inhomogeneous magnetoactive plasma

471

LIQUIDS 
Surface second sound and kinetic phenomena on the interface between solid helium and He II below 1 K

481

Hydrodynamic equations for the quantum liquidquantum crystal phase interface (T = 0)

498

The thermodynamics of normal Fermisystems

512

SOLIDS 
Vacuumultraviolet spectroscopy and energy spectrum of rareearth molybdates which are improper ferroelectrics

526

Interaction of impurity centers in anisotropic elastic media

537

Change, due to scatteringact correlation, of electron diffusion in a classically strong magnetic field

546

Superconductivity in manyvalley semiconductors

558

Contribution to the theory of reconstruction of the surface of a semiconducting crystal

569

Twofrequency excitation, anisotropy of the intensity, and effects of asymmetry of the tensor of hyperRaman light scattering in crystalline quartz

581

Axial toroidal moments in electrodynamics and solidstate physics

590

Instability of parametric spin wave systems in antiferromagnets

606

Static susceptibility of thin films of quasiuniaxial magnets at phase transitions accompanied by domainstructure formation

614

Effect of "nonlocal" dissipation on the quantum properties of systems in a potential with degenerate minima

634

Indirect exchange in ferromagnets with low carrier densities

652

Phonon pumping of superconductors

664

Line shape and mechanisms of nonlinear cyclotron resonance in bismuth

674

Thermoreflection spectra and electron structure of superconducting alloy Nb3+xGe_{1x}

686

Surface ferromagnetism in transition metals in the Hubbard model

697

Peierls instability in weakly nonideal onedimensional systems

709

Lowtemperature properties of ferromagnets with differention anisotropy and arbitrary site spin

724

Coherent oscillations in small tunnel junctions

733

Reflection of weak perturbations by a shockwave front. Nonlinear analysis

744

Nonergodicity and nonequilibrium character of spin glasses

754

Parametric excitation of spin waves under conditions of frequency drift

767

Quasiparticles and impurities in the quantum Hall effect

781

Phase slippage lines in wide superconducting films

793




