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ZhETF, Vol. 97, No. 1, January 1990
(English translation - JETP, Vol. 70, No. 1, January 1990 )

The issue content is only available in English translation!

GRAVITATION, ASTROPHYSICS

Galaxy mass and momentum distribution formed by merging, and the problem of nuclear activity

A.V. Kats, V.M. Kontorovich

Black-hole formation in the center of a nondissociative gravitational singularity

A.V. Gurevich, K.P. Zybin

NUCLEI, PARTICLES, AND THEIR INTERACTION

The 1/N expansion in quantum mechanics

V.D. Mur, V.S. Popov, A.V. Sergeev

Calculation of the photon structure function in QCD

A.S. Gorskii, B.L. loffe, A.G. Oganesyan, A. Yu. Khodzhamiryan

Prospects of search for CP nonconservation in beauty hadrons

A.E. Blinov, N.G. Ural'tsev, V.A. Khoze

Kinetics of excited muonic hydrogen in mixtures of hydrogen and helium isotopes

V.M. Bystritskii, A.V. Kravtsov, N.P. Popov

ATOMS, SPECTRA, RADIATION

Rydberg electron in a multipole field

A.K. Kazanskii; V. N. Ostrovskii

Anisotropy of collisions and the Zeeman structure of nonlinear resonances

G.N. Nikolaev, S.G. Rautian

Phase conjugation of mutually incoherent light beams in a photorefractive medium

A.A. Zozulya, A.V. Mamaev

101

Nonadiabatic transitions and decay reactions during slow collisions of polarized atoms

A.L. Zagrebin

114

Coherent four-wave mixing of light pulses

A.A. Zobolotskii

127

Electromagnetic radiation emitted by ultrarelativistic particles scattered in an excited medium

V.S. Malyshevskii

136

Propagation of ultrashort periodic pulses in nonlinear fiber waveguides

A.M. Kamchatnov

144

Parity nonconservation effects in nonlinear optics

M.G. Kozlov, S.P. Porsev

154

Electron-current modulation in the field of a standing electromagnetic wave

D.F. Zaretskii, Yu. A. Malov

162

Relation between exactly integrable models in resonance optics

A.M. Basharov

169

PLASMA, GASES

Closure of magnetic-field force lines and orthogonality condition

A.A. Skovoroda

179

Singular wave collapse

V.M. Malkin, E.G. Shapiro

183

Charged-particle kinetics in a stochastic medium with long-wavelength fluctuations

A.M. Bykov, I.N. Toptygin

194

LIQUID

Bleaching of water by intense light at the maximum of the ${\lambda} \sim 3{\mu}m$ absorption band

K.L. Vodop'yanov

205

Acoustic method for monitoring boundary effects in nematics

O.A. Kapustina, V.N. Reshetov

219

SOLIDS

Theory of quasielastic scattering of light by electrons in semiconductors with a nonparabolic dispersion law

V.A. Voitenko, I.P. lpatova

224

Nonlinear surface acoustic waves in dilute parametric dielectrics

G.T. Adamshvili

235

Dependence of the magnetic-anisotropy energy in iron on the magnetic field

I.M. Puzei, V.V. Sadchikov

246

Fluctuation properties of small silicon field-effect transistors

A.A. Bykov, G.M. Gusev, Z.D. Kvon, B.I. Fomin

251

Excess conductivity and diamagnetism in superconducting perovskite-like systems: prospects for raising the critical temperature

N.E. Alekseevskii, A.V. Mitin, E.P. Khlybov, G.M. Kuz'micheva, V.I. Nizhankovskii, J. Warchulska, A. Gilewski

263

Microscopic theory of successive phase transitions in alkali metal cyanides

A.F. Sadreev. Yu. V. Sukhinin

283

Raman scattering of light by electrons in superconductors: contribution of surface region and Coulomb-interaction effects

A.G. Mal'shukov, V.I. Yudson

302

Symmetry and dynamics of domain walls in weak ferromagnets

E.V. Gomonai, B.A. Ivanov, V.A. L'vov, G.K. Oksyuk

307

Effect of structural relaxation of the amorphous alloy Ni₃₄Zr₆₆ on the temperature dependence of a superconducting gap

V.F. Gantmakher, M.V. Osherov

323

Peculiarities of nonlinear response of YBaCuO ceramic superconductors near the transition point

Yu. M. lvanchenko, A.A. Lisyanskii, M.I. Tsindlekht

329

Solitons on a dynamic domain wall of a ferromagnet

M.V. Chetkin, I.V. Parygina, V.O. Smirnov, S.N. Gadetskii

337

Nonlinear theory of magnetoacoustic oscillations and of acoustic cyclotron resonance in metals

V.A. Burdov, V. Ya. Demikhovskii

343

Magnetic resonance in the noncollinear hexagonal antiferromagnets CsNiCI₃ and CsMnBr₃

I.A. Zaliznyak, L.A. Prozorova, S.V. Petrov

359

Critical state and lower critical field of the organic superconductor χ- (BEDT-TTF)₂Cu(NCS)₂

M.V. Kartsovnik, V.M. Krasnov, N.D. Kushch

367

Electric resistance of a medium with a fractal structure

V.F. Gantmakher, S.E. Esipov, V.M. Teplinskii

373

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