Journal of Experimental and Theoretical Physics

Journal of Experimental and Theoretical Physics

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JETP, Vol. 45, No. 3, March 1977
(Russian original - ZhETF, Vol. 72, No. 3 , March 1977)

GRAVITATION, ASTROPHYSICS

Influence of viscosity on the evolution of a Bianchi type II universe

S.L. Parnovskii

423

NUCLEI, PARTICLES, AND THEIR INTERACTIONS

Spontaneous production of positrons by a Coulomb center in a homogeneous magnetic field

V.N. Oraevskii, A.I. Rex, V.B. Semikoz

428

The vacuum charge distribution near super-charged nuclei

A.B. Migdal, V.S. Popov, D.N. Voskresenskii

436

Interaction between neutrons and matter in the field of a strong electro-magnetic wave

D.F. Zaretskii, V.V. Lomonosov

445

Mass of particles in a one-dimensional model with four-fermion interaction

P.B. Vigman, A.I. Larkin

448

Quantum effects in the field of a nonmonochromatic electromagnetic wave

452

ATOMS, SPECTRA, RADIATION

Multiple scattering of light in an inhomogeneous medium near the critical point. II. Spectral composition of scattered radiation

E.L. Lakoza, A.V. Chalyi

457

Electron absorption in nonpolar liquids

464

Ionization broadening of atomic spectra

A.E. Kazakov, M.V. Fedorov

468

Multiphoton processes in the radiation field of a multimode laser

T.U. Arslanbekov, N.B. Belone, A.V. Masalov, S.S. Todirashku, A.G. Fainshtein

473

Features of absorption of intense IR emission by SF₆ molecules

N.G. Basov, V.T. Galochkin, V.G. Kartyshov, A.G. Lyapin, I.M. Mazurin, A.N. Oraevskii, N.F. Starodubtsev

479

Observation of radiofrequency coherence during the excitation of hyperfine structure transitions in optically oriented atoms

O.S. Vasyutinskii, N.A. Dovator, R.A. Zhitnikov

484

Self-focusing of ruby-laser radiation in single crystal silicon carbide

A.A. Borshch, M.S. Brodin, V.I. Volkov

490

Rotational disequilibrium and energetics of a chemical laser based on the chain reaction H₂+F₂

G.K. Vasil'ev, V.I. Gur'ev, V.L. Tal'roze

493

Birefringence in a ferromagnetic liquid

Yu. N. Skibin, V.V. Chekanov, Yu. L. Raizer

496

PLASMA, GASES

Effect of trapped electrons on odd "drift" modes in a tokamak

V.A. Mazur, A.B. Mikhailovskii, I.G. Shukhman

500

Generation of the (3/2)ω₀ harmonic of the neodymium-laser radiation during the heating of spherical targets

A.I. Avrov, V. Yu. Bychenkov, O.N. Krokhin, V.V. Pustovalov, A.A. Rupasov, V.P. Silin, G.V. Sklizkov, V.T. Tikhonchuk, A.S. Shikanov

507

Variation of the magnetic moment of a charged particle during its nonadiabatic motion in a dipole field

V.D. Il'in, A.N. Il'ina

514

SOLIDS, LIQUIDS

The change in the anisotropy of the Fermi surface in the p-type semiconducting alloy Bi_0.9Sb_0.1 upon going over into the gapless state under the action of pressure

N.B. Brandt, Chan Tchi Ngock Bick, Ya. G. Ponomarev

517

Scale invariance and percolation in a random field

524

Spin waves in a randomly inhomogenews anisotropic medium

V.A. Ignatchenko, R.S. lskhakov

526

Andreev reflection and the electric resistance of superconductors in the intermediate state

S.N. Artemenko, A.F. Volkov

533

Inverted hot-electron states and negative conductivity in semiconductors

Ya. I. Al'ber, A.A. Andronov, V.A. Valov, V.A. Kozlov, A.M. Lerner, I.P. Ryazantseva

539

Dielectric transition in a quasi-one-dimensional system with repulsion

550

Energy spectrum of the donors in GaAs and Ge and its reaction to a magnetic field

E.M. Gershenzon, G.N. Gol'tsman, A.I. Elant'ev

555

Electron spin-lattice relaxation in a paramagnet at high pressure

G.N. Neilo, A.D. Prokhorov, G.A. Tsintsadze

565

Electron dispersion law in a bounded crystal

V.A. Volkov, T.N. Pinsker

568

Level crossing and instability of magnetic structure in rare-earth iron garnets

A.K. Zvezdin, A.A. Mukhin, A.I. Popov

573

Magnetization anomalies in yttrium-erbium and yttrium-holmium iron garnets in strong fields at low temperature

V.G. Demidov, R.Z. Levitin

581

Establishment of equilibrium between the electron dipole pool, the nuclear spins, and the lattice of a paramagnet

V.A. Atsarkin, O.A. Ryabushkin, V.A. Skidanov

584

The optical transmittance of semiconducting Bi_1-xSb_x solid solutions

T.M. Lifshitz, A.B. Ormont, E.G. Chirkova, A.Ya. Shul'man

591

Investigation of phase transition in Qn (TCNQ)₂ by the nuclear magnetic resonance method

I.F. Shchegolev, M.K. Makova, D.N. Fedutin, I.S. Krainskii, M.L. Khidekel', E.B. Yagubskii

596

Critical points of ternary molybdenum chalcogenides

N.E. Alekseevskii, N.M. Dobrovol'skii, D. Eckert, V.I. Tsebro

599

Phase transformations in crystals composed of macromolecules

A.G. Khatchaturyan

601

Gas-liquid phase diagram in a nonequilibrium electron-hole system in silicon

A.F. Dite, V.D. Kulakovskii, V.B. Timofeev

604

Laser induced breakdown of alkali-halide crystals

B.G. Gorshkov, Yu. K. Danileiko, A.S. Epifanov, V.A. Lobachev, A.A. Manenkov, A.V. Sidorin

612

Tunnel effect in superconducton with nonequilibrium quasi-particle population under laser irradiation

O.P. Balkashin, I.K. Yanson, A.V. Khotekevich

618

Thermodynamics of an impurity uniaxial ferrornagnet below the Curie point

623

Spatial structure in a nonequilibrium superconductor

626

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