Journal of Experimental and Theoretical Physics

Journal of Experimental and Theoretical Physics

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JETP, Vol. 59, No. 5, May 1984
(Russian original - ZhETF, Vol. 86, No. 5 , May 1984)

GRAVITATION, ASTROPHYSICS

Higher orders of perturbation theory in classical mechanics

E.B. Boqomol'nyi

917

Chaotic inflation of the Universe in supergravity

A.S. Goncharov, A.D. Linde

930

NUCLEI, PARTICLES, AND THEIR INTERACTION

Integral equations for resonance and virtual states

Yu. V. Orlov, V.V. Turovtsev

934

ATOMS, SPECTRA, RADIATION

Strong-interaction approximation in the theory of nonlinear waves

E.A. Ibragimov, T.S. Usmanov

944

Oscillation phenomena during the decay of a metastable state to the quasicontinuous spectrum

S.N. Burmistrov, L.B. Dubovskii

952

Nonlinear quantum theory of optical collisions and spectral-line contours

958

PLASMA, GASES

Acceleration of electrons to ultrarelativistic energies by shock waves and synchrotron radiation of these electrons

965

LIQUIDS

Gyromagnetism of Cooper pairs in superfluid ³He-B

G.E. Volovik, V.P. Mineev

972

Phase-synchronous optical second-harmonic generation in a ferroelectric liquid crystal

M.I. Barnik, L.M. Blinov, N.M. Shtykov

980

Depolarized Rayleigh scattering in helium II

982

SOLIDS

Spectrum of collective excitations of a ferromagnet with single-ion anisotropy in a magnetic field

986

Anomalies in the elastic properties of polycrystalline lanthanum at phase transitions under pressure

V.A. Goncharova, G.G. lI'ina

995

Energy loss by a fast charged particle moving parallel to a surface

B.N. Libenson, V.V. Rumyantsev

999

Experimental demonstration of bulk superconductivity in the perovskite system BaPb_1-xBi_xO₃

A.M. Gabovich, D.P. Moiseev, L.V. Prokopovich, S.K. Uvarova, V.E. Yachmenev

1006

Influence of the giant magnetostriction on the antiferromagnetic-ferromagnetic phase transition in terbium-yttrium alloys

1010

Quasiclassical equations of the theory of superconductivity for contiguous metals and the properties of constricted microcontacts

1015

Cathode-absorption spectroscopy: application to CdCr₂Se₄

V.G. Veselago, K.M. Golant, A.V. Shavlov

1025

Singularities of the localization length and of the dielectric constant near the band center in one-dimensional metals with strong disorder

1028

Magnetoresistance of metal films with low impurity concentrations in a parallel magnetic field

V.K. Dugaev, D.E. Khmel'nitskii

1038

Nuclear relaxation caused in Van Vleck paramagnets by fluctuations of the hyperfine magnetic field

L.K. Aminov, A.A. Kudryashov, M.S. Tagirov, M.A. Teplov

1042

Exactly solvable polymer models: polyphenylene

1049

Generation of oscillations by a running charge density wave

1057

Point defects and ferrons in semiconducting singlet magnets

E.L. Nagaev, A.I. Podel'shchikov

1065

Relaxation of nonequilibrium carrier-density matrix in semiconductors with degenerate bands

M.I. D'yakonov, A.V. Khaetskii

1072

Energy spectrum and transport properties of HgCr₂Se₄ single crystals

V.G. Veselago, K.M. Golant, I.S. Kovaleva, I.M. Yurin

1079

Crystal structure and magnetic properties of UGaCo and UGaNi single crystals

A.V. Andreev, A.V. Deryagin, R. Yu. Yumaguzhin

1082

Diamagnetic anomalies in systems with spontaneous toroidal current

B.A. Volkov, A.A. Gorbatsevich, Yu. V. Kopaev

1087

Effect of paramagnetic impurity on spin-spin and spin-lattice relaxation of ⁵⁷Fe nuclei in hematite

A.V. Zalesskii, V.G. Krivenko, V.S. Lutovinov, T.A. Khimich, V.N. Shadonov, K. Tompa, P. Banky

1099

Nonlinear relaxation absorption of ultrasound in amorphous metals

Yu. M. Gal'perin, V.L. Gurevich, D.A. Parshin

1104

Novel type of oscillatory effects for hot photoelectrons

S.E. Esipov, I.B. Levinson

1113

Polaronic band narrowing and the magnetic susceptibility of vanadium compounds with the A-I 5 structure

A.S. Aleksandrov, V.F. Elesin, V.V. Kabanov

1125

Magnon interaction and relaxation in yttrium iron garnet, a twenty-sublattice ferromagnet

I.V. Kolokolov, V.S. L'vov, V.B. Cherepanov

1131

Generalized self-avoiding walk

S.A. Bulgadaev, S.P. Obukhov

1140

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