GRAVITATION, ASTROPHYSICS 
Cosmological consequences of a spontaneous breakdown of a discrete symmetry

3

NUCLEI, PARTICLES AND THEIR INTERACTIONS 
The correspondence principle in the problem of the selfenergy of the electron

12

Some paritynonconservation effects in emission by hydrogenlike atoms

17

ATOMS, SPECTRA, RADIATION 
As discharge laser operating on the iodine 1315nm transition

30

Application of zero range potentials in the theory of collisions of electrons with molecules

38

Resonant charge exchange of alkaliearth ions

47

Polarization effects of the selfaction of a light beam in a resonant medium

54

Twophoton correlations in synchrotron radiation as a method of studying the beam

60

Role of exchange in the excitation of ions by electrons

63

Resonance stimulated Raman scattering of ultrashort light pulses

70

Perturbationtheory calculations of twoquantum relaxation processes

79

PLASMA, GASES 
Measurement of microwave scattering by low frequency turbulent plasma oscillations

84

Nonequilibrium highfrequency discharge in wave fields

89

Interaction between a plasma jet and a chemically active ionized gas target

94

Nonlinear Landau damping in an inhomogeneous plasma

102

Spacetime focusing of an ion beam that excites transverse Langmuir ion plasma oscillations

110

Anomalous interaction of strong laser radiation with dense plasma

118

A kinetic equation for a plasma in a highfrequency field

134

SOLIDS, LIQUIDS 
Change of electric conductivity of semiconductor crystals by passage of a shock wave from a laser pulse

147

Quantum theory of the inelastic scattering of channeled particles

150

Saturation of inhomogeneously broadened EPR line at low temperatures

161

Effect of scattering processes on the anomalies in the thermodynamic characteristics of superconductors under pressure

168

The influence of condensate motion on the thermoelectric effects in superconductors

178

Nuclear relaxation via electronspin cross relaxation

186

Anomalous Hall effect in holmium single crystal in the region of helicoidal magnetic ordering

194

Observation of the heating of the dipoledipole interaction pool of impurity ions in nuclear relaxation

200

Behavior of zerogap semiconductors with a linear dispersion law in strong magnetic fields

205

Effect of localized states in a barrier on electron tunneling

208

Unidirectional anisotropy in lnvar

219

Resonance size effect in highfrequency conductivity of thin metallic plates in the absence of a static magnetic field

223

Magnetic anisotropy of yttriumholmium iron garnets

232

Dislocation slowing down by electrons in metals in strong magnetic fields

240

Paramagnetic effect of the twodimensional mixed state in typel superconductors

250

The theory of the solution of two nearideal Bose gases

263

Piezopolaron energy at large momenta

273

Helicon propagation in semiconductors in a quantizing magnetic field

277

Parametric pairs in antiferromagnet with easy plane anisotropy

287

Effect of magnetic dilution on the critical temperature of few dimensional antiferromagnetic CuWO_{4}

309

Retardation effect in cyclotron resonance

316

Investigation of the surface conductivity of tin in a magnetic field by a highfrequency technique

334

Domain structure and magnetic properties of YFeO_{3} particles below the singledomain critical size

344

Current state of semimetals with paramagnetic impurities

351

Sound absorption in metals at high temperatures

363

Electron scattering by a vortex lattice in a mixedstate superconductor

376

Critical indices for systems with slowly decaying interaction

391

Possible phase transitions in systems of interacting metallic filaments (quasiunidimensional metals)

397

Oscillations in films of superfluid solutions

418
