Journal of Experimental and Theoretical Physics

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JETP, Vol. 73, No. 6, December 1991
(Russian original - ZhETF, Vol. 100, No. 6 , December 1991)

NUCLEI, PARTICLES, AND THEIR INTERACTION

Semiclassical theory of electromagnetic processes in a plane wave and a constant field

V.N. Baier, V.M. Katkov, V.M. Strakhovenko

945

ATOMS, SPECTRA, RADIATION

Radiation by a monoenergetic beam of noninteracting ultrarelativistic charged particles in a scattering medium

951

IR-laser-stimulated spatially selective dissociation of macromolecules

Yu. A. Bakhirkin, Yu. A. Bykovskii, V.I. Luksha, A.A. Chistyakov, A.I. Shcherbakov

959

Source of a regular flux of photons

965

PLASMA, GASES

Bessel beams of electromagnetic waves: self-effect and nonlinear structures

N.E. Andreev, Yu. A. Aristov, L. Ya. Polonskii, L.N. Pyatnitskii

969

Correlation properties of MHD turbulence

A. Gurevich, K. Zybin, A. Luk'yanov, R. Nebel

976

Diffusion of "socially active" Brownian particles

A.N. Vasil'ev, M.M. Perekalin, A.S. Stepanenko

984

Nonlinear dynamics of packets of intense electromagnetic fields in plasmas with linear and parabolic density barriers

E.M. Gromov, V.M. Nakaryakov, V.I. Talanov

987

Amplification and absorption of drift waves at a resonant magnetic surface

994

Explosive growth of the tearing mode in a plasma slab with ruptured magnetic surfaces

1002

Theory of two-dimensional superfluidity in a nonuniform external field

S.I. Shevchenko

1009

Dissipative nucleation and phase-separation kinetics of ³He-⁴He liquid solutions at low temperatures

S.N. Burmistrov, L.B. Dubovskii

1020

SOLIDS

Instability and formation of regular structures during cooling of gas-saturated liquids and solids

S.K. Zhdanov, E. Yu. Zhdanova, B.A. Trubnikov

1029

The density of highly localized states in disordered systems

N.M. Storonskii, B.I. Fuks

1036

Line width of magnetic resonance exchange modes in a four-sublattice orthorhombic antiferromagnet

V.G. Bar'yakhtar, V.V. Eremenko, S.A. Zvyagin, Yu. G. Pashkevich, V.V. Pishko, V.L. Sobolev, V.V. Shakhov

1046

Photoinduced structural and orientational magnetic phase transitions in FeBO₃:Ni

Yu. M. Fedorov, A.A. Leksikov

1056

Investigation of vortex dynamics in high-T_c superconducting films

E.S. Bakhanova, V.M. Genkin, M.A. Kalyagin, S.N. Konkin, S.A. Churin

1061

Diamagnetic impurity centers in thin semiconducting layers

B.S. Monozon, A.G. Zhilich

1066

Spectroscopic investigation of the Schottky anomaly in cerium ethyl sulfate

S.N. Lukin, A.D. Prokhorov, O.P. Teslya

1072

Nature of the large critical current in textured high-T_c, yttrium metal oxide ceramics

V.M. Svistunov, V. Yu. Tarenkov, A.I. D'yakonov, A.V. Vasilenko, V.V. Klimov, E.M. Roizenblat

1076

Influence of point defects on formation and motion of kinks in dislocations in silicon

Yu. L. lunin, V.I. Nikitenko, V.I. Orlov, B. Ya. Farber

1079

Second-harmonic nonlinear response of a cubic ferromagnet in the critical paramagnetic neighborhood of T_c

A.V. Lazuta, I.I. Larionov, V.A. Ryzhov

1086

Investigation of the conditions of multiquantum NMR echo formation in magnet materials

G.N. Abelyashev, .V. N. Berzhanskii, S.N. Polulyakh, N.A. Sergeev, Yu. V. Fedotov

1096

Properties of the optical branch of the phonon spectrum of La₂2CuO₄ single crystals

P.V. Zavaritskii, V.I. Makarov, V.S. Klochko, V.N. Molchanov, G.A. Tamazyan, A.A. Yurgens

1099

Microscopic theory of phase transitions in NaNO₂

A.F. Sadreev, Yu. V. Sukhinin

1106

"Matsubara" approach in classical statistical physics: the method and a simple example

A.A. Abrikosov, Jr.

1115

Urbach's rule and the Lifshits singularity in the spectrum of electronic states of a disordered medium

A.A. Klochikhin, S.G. Ogloblin

1122

Mössbauer determination of the gradient of the electric-field at the cationic sites of La_2-x(Sr, Ba)_xCuO₄ lattice

N.P. Seregin, F.S. Nasredinov, V.F. Masterov, E.S. Khuzhakulov

1129

Electronic inelastic scattering of light in an absorbing medium

L.A. Fal'kovskii

1134

Large-scale impurity potential and nature of the main low-temperature luminescence line of pure n-lnSb crystals

I.V. Kavetskaya, N.B. Kakhramanov, N.N. Sibel'din, V.A. Tsvetkov

1139

New types of structures in a stochastic easy-plane antiferrornagnet with a hexagonal lattice

1147

ERRATA

Erratum: Equation of state and universal combinations of thermodynamic critical amplitudes in the lsing impurity model [Sov. Physics-JETP 71, 989-997 (November 1990)]

1151

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