Journal of Experimental and Theoretical Physics 





JETP, Vol. 52, No. 5, November 1980
(Russian original  ZhETF,
Vol. 79,
No. 5
, November 1980)
GRAVITATION, ASTROPHYSICS 
Production of phonons in an isotropic universe

807

On the connection between the size of the Universe and its curvature

814

NUCLEI, PARTICLES, AND THEIR INTERACTION 
Hyperfine structure of the energy levels of μmesic molecules of the hydrogen isotopes

820

Inelastic scattering of 100keV electrons in thin polycrystalline copper films

827

Spectra of the energy losses experienced by 31 GeV electrons due to emission of radiation in a silicon single crystal
V.A. Maisheev, A.M. Frolov, R.O. Avakyan, E.A. Arakelyan, A.A. Armaganyan, G.L. Bayatyan, G.S. Vartanyan, N.K. Grigoryan, A.O. Kechechyan, S.G. Knyazyan, A.T. Margaryan, R.M. Mirzoyan, S.S. Stepanyan

831

Podd nuclear forces  a source of parity violation in atoms

835

ATOMS, SPECTRA, RADIATION 
Electron drag by resonantfrequency light

840

3d electron collapse in the 2p^{5}3d configuration in argonlike ions

844

Laser interferometer with wavefrontreversing mirrors

847

Excitation of electronvibrationalrotational levels of hydrogen molecules by electron impact in a nonequilibrium gasdischarge plasma

852

New approach to perturbation theory for a discrete spectrum (anharmonic oscillator)

861

Perturbation theory and variation principle in quantum mechanics

868

Linear interaction of waves in liquidcrystal optics

877

Complete population inversion in a multilevel quantum system on adiabatic application of an external resonance field

889

Higherorder nonlinear susceptibilities for generation of optical radiation harmonics in atomic gases

895

PLASMA, GASES 
Birefringence and gyrotropy due to nearly Bragglike processes in the xray region

900

Kinetic phenomena in the flow of a strongly rarefied molecular gas in an external field

904

Closed equation for turbulent heat and mass transport

909

SOLIDS, LIQUIDS 
Influence of the Coulomb interaction on the spectrum of surface states of a semiconductor with different degrees of occupancy

915

Metastable states and singleparticle pinning in typeII superconductors near the critical field H_{c2}

923

Kinetics of exciton condensation in germanium at high excitation levels

929

Tunnel current as detector of EPR of impurity spins in a junction

935

Surface absorption of electromagnetic waves in metals by random boundary inhomogeneities

938

Zerophonon branches of the Bose spectrum in the A phase of a system of the He^{3} type

945

Dynamics of laser damage in KDP crystals

949

The motion of an excess electron in a molecular chain when the interaction with optical phonons is taken into account

954

Nuclear spinlattice relaxation in semiquantum liquids

958

Increase of magnetization of a paramagnet by an alternating electric field

960

Effect of vacancies on NMR is solid He^{3}

963

Heat capacity of Pt_{3}Mn_{x}Fe_{1x} alloys

969

Thermally activated motion of pyramidal dislocations through Peierls barriers in zinc single crystals

973

Increase of resistance of bismuth deformed at 80 K when the temperature is lowered to the helium region

977

Magnetic structures in the Hubbard model with nearly halffilled band for nonalternating lattices

981

Onset of inhomogeneous magnetic ordering of the spins in a superconductor

987

Noiseinduced phase transition and the percolation problem for fluctuating media with diffusion

989

Transmission of sound across a boundary between liquid helium and a metal

996

The interaction between phonons and degenerate centers (spin, pseudospin)

1008

ERRATUM 
Erratum: Theory of pure short ScS and ScN microjunctions [Sov. Phys. JETP 51, 111 (1980)]

1018




