Журнал Экспериментальной и Теоретической Физики

Журнал Экспериментальной и Теоретической Физики

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JETP, Vol. 38, No 3, March 1974
(Русский оригинал - ЖЭТФ, Том 65, Вып. 3 , Март 1974)

GRAVITATION, ASTROPHYSICS

Deviation of an expanding universe that is isotropic in the mean from the Friedmann universe

421

NUCLEI, PARTICLES AND THEIR INTERACTIONS

Pair production by a periodic electric field

N.B. Narozhnyi, A.I. Nikishov

427

A possibility of employing the shadow effect for studying the decay of quasistationary states

N.V. Eremin, Yu. V. Melikov, A.F. Tulinov

433

ATOMS, SPECTRA, RADIATION

Term intersection in multiparticle interactions

435

Passage of weak Gaussian beam through a nonlinear medium

439

Kinetics of nonequilibrium dissociation of molecules in cascade excitation of oscillations by laser radiation

B.F. Gordiets, A.I. Osipov, V. Ya. Panchenko

443

Direct observation of the picosecond structure of radiation pulses from a mode-locked neodymium laser

N.G. Basov, M.M. Butslov, P.G. Kryukov, Yu. A. Matveev, E.A. Smirnova, B.M. Stepanov, S.D. Franchenko, S.V. Chekalin, R.V. Chikin

449

Dips in emission lines of preliminarily polarized molecular (atomic) beams

A.S. Bashkin, A.N. Oraevskii, A.E. Sakharov

454

Perturbation theory with allowance for exchange forces

A.A. Rumyantsev

459

Angular distribution of photoelectrons with a given spin orientation

463

Alteration of atomic multiplet in an intense varying field

B.A. Zon, B.G. Katsnel'son

470

Dependence of fluorescence characteristics on the spectral distribution of the intensity of the exciting electromagnetic field

V.G. Plotnikov, G.G. Konoplev

476

PLASMA, GASES

Interaction between an intense electromagnetic wave and a plasma

A.A. Galeev, G. Laval, T. O'Neil, M.N. Rosenbluth, R.Z. Sagdeev

482

Intensity of stimulated Mandel'shtam-Brillouin scattering in a plasma

490

Instability of waveguides and solitons in nonlinear media

V.E. Zakharov, A.M. Rubenchik

494

Alignment of excited atoms in a gas discharge

V.I. Perel', I.V. Rogova

501

SOLIDS, LIQUIDS

Study of phase transitions in KD₂PO₄ single crystals by the acoustic magnetic resonance technique

Kh. G. Bogdanova, Yu. V. Vladimirtsev, V.A. Golenishchev-Kutuzov, U. Kh. Kopvillem

506

Phase modulation of Mössbauer spectra and the generation of ultrasound in metals by a radio-frequency field

I.A. Dubovtsev, P.S. Zyryanov, N.P. Filippova

509

Absorption and dispersion of ultrasound and hypersound in glycerine

A.A. Berdyev, V.A. Lysenko, B. Khemraev

515

Nonlinear acoustic effects in superconductors

Yu. M. Gal'perin, V.L. Gurevich, V.I. Kozub

517

Effect of high hydrostatic pressure and residual strain on the superconductivity of Nb-Al-Ge alloys with an A15-type structure

V.N. Galev, A.G. Rabin'kin

525

Effect of magnetic breakdown on the Hall effect in beryllium

N.E. Alekseevskii, V.I. Nizhankovskii

533

Antiferromagnetic resonance in layered CoCl₂ and NiCI₂ crystals

A.F. Lozenko, S.M. Ryabchenko

538

Effect of the multivalley structure of the conduction band on helical instability in the electron-hole plasma of silicon

V.M. Bondar, V.V. Vladimirov, N.I. Kononenko, O.G. Sarbei, A.I. Shchedrin

542

Contribution to the statistical thermodynamics of fusion of long heteropolymer chains

545

Stability of nonequilibrium Fermi distributions with respect to Cooper pairing

A.G. Aronov, V.L. Gurevich

550

Attainable overheating of liquid argon

V.G. Baidakov, V.P. Skripov, A.M. Kaverin

557

Specific heat of the antiferromagnetic garnet Ca₃Mn₂Ge₃O₁₂

K.P. Belov, T.V. Valyanskaya, L.G. Mamsurova, V.I. Sokolov

561

Effect of donor-donor and donor-acceptor interactions on the decay kinetics of the metastable state of Nd³⁺ in crystals

Yu. K. Voron'ko, T.G. Mamedov, V.V. Osiko, M.I. Timoshechkin, I.A. Shcherbakov

565

Investigation of the electronic mechanism of the isomorphic phase transition in cerium

V.A. Shaburov, I.M. Band, A.I. Grushko, T.B. Mezentseva, E.V. Petrovich, Yu. P. Smirnov, A.E. Sovestnov, O.I. Sumbaev, M.B. Trzhaskovskaya, I.A. Markova

573

Effect of anomalies of the energy spectrum on relaxation phenomena in helium II

582

Effect of the low-frequency peaks of the phonon state density on the critical temperature of superconductors

M.V. Medvedev, E.A. Pashitskii, Yu. S. Pyatiletov

587

Proton relaxation in dilute rare-earth ethyl sulfates

I.I. Valeev, V.A. Skrebnev, F.L. Aukhadeev

593

Mobility of positive ions in He³-He⁴ solutions

V.N. Bondarev, I.Z. Fisher

597

Scaling relation for phase transitions in a one-dimensional x-y model

V.I. Ponomarev, V.M. Kontorovich, V.M. Tsukernik

600

Temperature dependence of the probability for scattering of charge carriers in molybdenum and tungsten

V.V. Boiko, V.F. Gantmakher, V.A. Gasparov

604

Exciton-magnon absorption of light in antiferromagnetic siderite

V.V. Eremenko, Yu. G. Litvinenko, A.A. Motornaya, V.I. Myatlik, V.V. Shapiro

608

Diffusion of magnetization in a Heisenberg ferromagnet above the Curie point

613

Kinetics of a quantum particle in a one-dimensional random potential

V.L. Berezinskii

620

Isotopic equilibrium in a hydrogen plus alkali-metal hydroxide system

Yu. M. Baikov, G. Ya. Ryskin

628

Suppression of inelastic channels under hyperfine splitting conditions. lnterference phenomena

A.M. Afanas'ev, I.P. Perstnev

630

Inhomogeneous state and the anisotropy of the upper critical field in layered superconductors with Josephson layer interaction

L.N. Bulaevskii

634

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