GRAVITATION, ASTROPHYSICS 
Largescale cosmological structure and topologically stable states of a scalar field which are periodic in the radial coordinate

1

NUCLEI, PARTICLES, AND THEIR INTERACTION 
Quantization rules with allowance for barrier penetration

9

Calculation of correlators of the chromoelectric hadron string

23

Formation of dtμ mesic molecules via subthreshold resonances

29

Interaction between a massive neutrino and a planewave field

40

Electronpositive pair production by a transverse electromagnetic field in a nonstationary medium

44

Mass operator of the scalar superpartner of the electron in a supersymmetric QED in a constant external field

47

ATOMS, SPECTRA, RADIATION 
Molecularorbital diabatic correlation diagrams of diatomic quasimolecules

51

Coherent interaction between phasemodulated light pulses and an active medium of twolevel particles with inhomogeneous broadening

57

Structure of the cross sections for the excitation of alkalineearth metal ions by monoenergetic electrons

61

Dynamic polarizability of Rydberg states in the Kramers approximation and their shifts in an external radiation field

68

Energy level splitting of multicharged ions due to interaction of the ion with its own radiation field

73

Spatial structure of scattered radiation in a loop parametric oscillator utilizing a photorefractive crystal

80

PLASMA, GASES 
Experimental study of the modulational instability of intense plasma waves in a plasma

87

Ignition of deuteriumtritium fusion in mixtures and chemical compounds

95

LIQUIDS 
Spin relaxation in liquid ^{3}He

104

Structural transformations in planar nematic crystals in an ultrasonic field

109

SOLIDS 
Types of instability in ordered domain structures

114

Orientation dependence of the energies of K xray emission lines and relativistic theory of the splitting of core p levels of atoms in single crystals and of the angular distribution of the emission

125

Solution of the Derrida model for an arbitrary number of colors and an asymmetric distribution of the coupling constants

132

Electronspinwave pairing in a onedimensional Kondo lattice Integrable model

136

Raman scattering in carbon films at high pressures

140

Gas exchange with the ceramic superconductor YBa_{2}Cu_{3}O_{7δ} and its fractal properties derived from results of smallangle neutron scattering

143

Dechanneling of fast particles in crystals as a random process

152

Anomalous diffusion and drift in a comb model of percolation clusters

161

Vortex rings and dissipation in typell superconductors

166

Internal structure of vortices in exotic superconductors near the lower critical field

170

Classical mesoscopics

179

Resonances in superconductors

185

Anyon gas on a lattice

188
