Журнал Экспериментальной и Теоретической Физики

Журнал Экспериментальной и Теоретической Физики

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JETP, Vol. 28, No 5, May 1969
(Русский оригинал - ЖЭТФ, Том 55, Вып. 5 , Май 1969)

Energy Loss Spectra of Electrons Colliding with Inert Gas Atoms

V.V. Afrosimov, Yu. S. Gordeev, V.M. Lavrov, S.G. Shchemelinin

821

Certain Singularities of Current-voltage Characteristics of Josephson Tunnel Junctions

I.K. Yanson, I. Kh. Albegova

826

Self-focusing of Inhomogeneous Laser Beams and Its Effect on Stimulated Scattering

Yu. S. Chilingarian

832

Investigation of the Phenomena of Charge and Heat Transfer in Yttrium Single Crystals at Low Temperatures

P.V. Tamarin, G.E. Chuprikov, S.S. Shalyt

836

Investigation of the Interaction of Nd³⁺ Ions in CaF₂, SrF₂, and BaF₂ Crystals (Type I)

Yu. K. Voron'ko, V.V. Osiko, I.A. Shcherbakov

838

The Origin of Forbidden Spectra in Electron Paramagnetic Resonance

V.N. Lazukin, A.N. Terent'evskii, B.V. Ozherel'ev

845

Investigation of Injection Lasers with Inhomogeneous Excitation

V.N. Morozov, V.V. Nikitin, V.D. Samoilov

848

Nonequilibrium Radiation from Shock Compressed Ionic Crystals at Temperatures Above 1 eV. I

S.B. Kormer, M.V. Sinitsyn, A.I. Kuryapin

852

Nonequilibrium Radiation from Shock Compressed Ionic Crystals at T > 1 e V. II

Ya. B. Zel'dovich, S.B. Kormer, V.D. Urlin

855

Some Features of π^--meson Capture by Hydrogen in Chemical Compounds

Z.V. Krumshtein, V.I. Petrukhin, L.I. Ponomarev, Yu. D. Prokoshkin

860

Frequency Fluctuations of a Gas Laser and Determination of the Natural Width of Its Spectral Line

Yu. I. Zaitsev, D.P. Stepanov

863

Pressure Dependence of the Concentration of Current Carriers in Semimetals of the Bismuth Type

N.B. Brandt, N. Ya. Minina, Yu. A. Pospelov

869

Connection of Electron Spin-spin Interactions with Polarization and Nuclear Spin Relaxation in Ruby

V.A. Atsarkin, A.E. Mefed, M.I. Rodak

877

Decrease of Laser Beam Divergence by Passage Through an Optical Amplifier

A.L. Mikaelyan, V.G. Savel'ev, Yu. G. Turkov

886

Asymmetry of Shadows Arising in the Interaction of Fast Charged Particles with Single Crystals

Yu. V. Melikov, Yu. D. Otstavnov, A.A. Puzanov, A.F. Tulinov

888

Magnetic Surface Levels

892

Semiconductor Laser with External Resonator

N.G. Basov, O.V. Bogdankevich, A.N. Pechenov, A.S. Nasibov, K.P. Fedoseev

900

Spectrum of Laser Based on Electron-vibrational Transitions in a CaF₂:Sm²⁺ Crystal

Yu. S. Vagin, V.M. Marchenko, A.M. Prokhorov

904

Antiferromagnetic Resonance of Manganese Carbonate in Strong Magnetic Fields

L.A. Prozorova, A.S. Borovik-Romanov

910

"Premature" Disappearance of Antiferromagnetic Resonances in Hematite

V.I. Ozhogin, V.G. Shapiro

915

A Study of Spin-lattice Relaxation on the Basis of the Hyperfine Structure of Fe³⁺ Mössbauer Spectra

I.P. Suzdalev, A.M. Afanas'ev, A.S. Plachinda, V.I. Gol'danskii, E.F. Makarov

923

Contribution to the Theory of Current Fluctuations in Semiconductors

L.E. Gurevich, B.I. Shapiro

931

Relativistically Invariant Expansion of the Helicity Scattering Amplitude

935

Theory of Fluctuations of Acoustic Waves in Piezo-semiconductors

941

Stimulated Mandel'shtam-Brillouin Scattering in He II

N.L. Tsintsadze

950

A Method for Determining Allowed Multiplets of Many-electron Polyatomic Systems

V.I. Cherepanov, A.A. Shchetkov

953

False Poles of the Scattering Amplitude in Field Models

V.B. Gostev, V.S. Mineev

960

EPR Line Shape of Rare-earth Ions in Disordered Systems

T.S. Al'tshuler

962

Instability of an Acoustomagnetic Field in Semimetals at Low Temperatures and Acoustomagnetic Waves

L.E. Gurevich, E.F. Shender

966

Configuration Interaction of Terms in the System ZeZ $^{\prime}$

971

Theory of the Ising Model

O.K. Kalashnikov, E.S. Fradkin

976

Acoustic Excitation of a Superradiative Electromagnetic State in Matter

A.V. Alekseev, U. Kh. Kopvillem, V.R. Nagibarov, M.I. Pirozhkov

980

Interaction of an Atom with a Strong Electromagnetic Field with the Recoil Effect Taken into Consideration

A.P. Kol'chenko, S.G. Rautian, R.I. Sokolovskii

986

Influence of Collisions on Stimulated Random Scattering in Gases

V.I. Alekseev, I.I. Sobel'man

991

Group Theoretical Classification of States in Calculation of Molecular Systems

I.G. Kaplan, O.B. Rodimova

995

Are White Dwarfs Superconductors?

1001

Determination of the Distribution Function of Plasma Electrons from the Bremsstrahlung Spectrum

A.N. Tikhonov, V.V. Alikaev, V. Ya. Arsenin, A.S. Dumova

1006

Propagation of Sound in Narrow Channels in a He³-He⁴ Solution

T.A. Karchava, D.G. Sanikidze

1009

Theory of Fermi-Bose Quantum Liquids

I.M. Khalatnikov

1014

Auger Ionization Induced by Multiply Charged Ions

L.M. Kishinevskii, E.S. Parilis

1020

Ultrashort Fluctuation Pulses of Light in a Lyser

1026

Finite-amplitude Drift Waves in an Unstable Plasma

1028

Quasilinear Approximation for a Collisional Magnetoactive Plasma: Cerenkov Effect

V.V. Logvinov, G.Z. Machabeli

1031

A Diagram Technique Near the Curie Point and the Second Order Phase Transition in a Bose Liquid

1036

Magnetoresistance of Semimetals

V.G. Peschanskii, M. Ya. Azbel'

1045

Theory of Polarons in Many-valley Crystals I. Weak Interaction Between Electron and Lattice Polarization Field

1054

Wave Functions of Condensed States

M.M. Mestechkin

1057

Radiation by a Fast Charged Particle in a Nonuniform Periodic Medium

B.M. Bolotovskii, F.N. Chukhovskii

1061

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