Reviews of topical problems

V.A. Novikov “Nonperturbative QCD and supersymmetric QCD” Phys. Usp. 47 109–116 (2004)

E.Kh. Akhmedov “Neutrino oscillations in three- and four-flavor schemes” Phys. Usp. 47 117–124 (2004)

R.B. Morgunov “Spin micromechanics in the physics of plasticity” Phys. Usp. 47 125–147 (2004)

G.N. Gerasimov “Optical spectra of binary rare-gas mixtures” Phys. Usp. 47 149–168 (2004)

V.I. Klyatskin “Electromagnetic wave propagation in a randomly inhomogeneous medium as a problem in mathematical statistical physics” Phys. Usp. 47 169–186 (2004)

Physics of our days

M.V. Sazhin “Anisotropy and polarization of cosmic microwave background: state of the art” Phys. Usp. 47 187–194 (2004)

From the current literature

E.N. Ragozin, I.I. Sobel’man “Free-electron laser: advancement into the X-ray region” Phys. Usp. 47 195–196 (2004)

From the history of physics

V.P. Milant’ev “Creation and development of Bohr’s theory (on the 90th anniversary of the Bohr theory of the atom)” Phys. Usp. 47 197–203 (2004)

Letters to the editors

S.N. Vladimirov “Does the sign correlation of quasiperiodic oscillations with incommensurable frequencies generate deterministic chaos?” Phys. Usp. 47 205–208 (2004)

P.E. Belensov “Comments on the article ’Collective ion acceleration in systems with a virtual cathode’” Phys. Usp. 47 209–211 (2004)

Bibliography

E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 47 213–214 (2004)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 47 215–216 (2004)