Reviews of topical problems

N.A. Zimbovskaya “Local geometry of the Fermi surface and its effect on the electronic characteristics of normal metals” Phys. Usp. 54 769–798 (2011)

N.N. Achasov, G.N. Shestakov “Light scalar mesons in photon—photon collisions” Phys. Usp. 54 799–828 (2011)

Methodological notes

V.S. Olkhovsky “On time as a quantum observable canonically conjugate to energy” Phys. Usp. 54 829–835 (2011)

Conferences and symposia

“Celebrating 50 years of the laser (Scientific session of the General Meeting of the Physical Sciences Division of the Russian Academy of Sciences, 13 December 2010)” Phys. Usp. 54 837–870 (2011)

V.L. Bratman, A.G. Litvak, E.V. Suvorov “Mastering the terahertz domain: sources and applications” Phys. Usp. 54 837–844 (2011)

V.I. Balykin “Ultracold atoms and atomic optics” Phys. Usp. 54 844–852 (2011)

N.N. Ledentsov, J.A. Lott “New-generation vertically emitting lasers as a key factor in the computer communication era” Phys. Usp. 54 853–858 (2011)

Yu.N. Kulchin “The photonics of self-organizing biomineral nanostructures” Phys. Usp. 54 858–863 (2011)

N.N. Kolachevsky “Laser cooling of rare-earth atoms and precision measurements” Phys. Usp. 54 863–870 (2011)

Bibliography

E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 54 871–872 (2011)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 54 873–874 (2011)