Journal of Experimental and Theoretical Physics 





ZhETF, Vol. 91, No. 1, July 1986
(English translation  JETP,
Vol. 64, No. 1, July 1986
)
The issue content is only available in English translation!
GRAVITATION, ASTROPHYSICS 
Types of unbound geodesics in the Kerr metric

3

Neutrino oscillations in a variabledensity medium and
ubursts due to the gravitational collapse of stars

7

NUCLEI, PARTICLES, AND THEIR INTERACTION 
Structure of vacuum in chiral supersymmetric quantum electrodynamics

14

Quantum theory of inelastic scattering of negativelycharged particles by oriented crystals

25

Radiochemical search for the decay of uranium233 with the emission of neon124 using a lowbackground semiconductor gammaray spectrometer
A. Ya Balysh, A.A. Gurov, A.V. Demekhin, A.G. Zelenkov, I.V. Kondratenko, B.G. Novatskii, G.A. PikPichak, V.A. Pchelin, Yu. F. Rodionov, L.V. Chistyakov, V.M. Shubko

37

ATOMS, SPECTRA, RADIATION 
Spontaneous radiative alignment of dipole moments of atoms moving in a medium

44

Nonlinear susceptibilities of atoms at frequencies above the ionization threshold

51

Coherent interaction of light with a discrete periodic resonant medium

65

Timedependent Brillouin scattering of an intense polariton wave

78

PLASMA, GASES 
Turbulent conductivity of a magnetoactive plasma

86

Dynamics and radiation emission by particles trapped by an electrostatic wave in a transverse magnetic field

98

Condensation of Alfven waves into vortices in an inhomogeneous plasma

106

LIQUIDS 
Laserinduced generation of subnanosecond sound pulses in liquids

114

Effect of topological constraints on the dynamics of polymer solutions

122

Polarization effects during selffocusing with orientation aberration in nematic liquid crystals

131

SOLIDS 
Scattering of electrons by kinks on the dislocation line of a metal

140

Experiments on mutual diffusion and the behavior of the width of the Rayleigh line near the critical vaporization line in ^{3}He^{4}He solutions

149

Time evolution of a quantized anharmonic oscillator and its spin analogue

156

Selfdefocusing of converging beams: circular "intensity waves" at the focus

166

Electron accommodation during hydrogen atom adsorption on a juvenile surface of a zinc sulfide single crystal

172

Collective modes of incommensurate structures in systems with dipole interactions

190

Nonlinear electromagnetic excitation of ultrasound in metals

202

The formation of laserinduced periodic structures on surfaces of solids

213

Repulsion of energy levels and conductivity of small metal samples

220

Accumulation of the relaxation products of a stationary magnon packet

235

Intrinsic dielectric loss in crystals: Low temperatures

245

Relaxation of paramagnetic impurity centers via host lattice ions in Van Vleck paramagnets

262

Coherence properties and current transport in a ceramic Josephson medium, BaPb_{1x}Bi_{x}O_{3}

274

Surface contribution to the generation of reflected secondharmonic light for centrosymmetric semiconductors

287

Study of dysprosium by a muon diffusion technique
S.G. Barsov, A.L. Getalov, V.G. Grebinnik, I.I. Gurevich, V.A. Zhukov, I.G. Ivanter, B.F. Kirillov, A.I. Klimov, S.P. Kruglov, L.A. Kuz'min, A.B. Lazarev, S.M. Mikirtych'yants, N.I. Moreva, B.A. Nikol'skii, A.V. Pirogov, A.N. Ponomarev, V.A. Suetin, S.N. Shilov, G.V. Shcherbakov

298

Bloch equations in the memoryfunction formalism

310

Oscillatory effects in photostimulated surface reconstruction

314

Effect of level quantization on the lifetime of metastable states

318

Cyclotron resonance in multivalley semiconductors with dislocations

326

Instability due to magnetically induced currents

332

Pointcontact and neutron spectroscopy of ruthenium

343

ERRATA 
Erratum: The threebody problem: generalized exponential expansion, arbitrary states in a correlated basis, and the binding energy of muonic molecules [Sov.Phys. JETP 63,12 (1986)]

352




