JETP Letters -- January 10, 2001 Volume 73, Issue 1, pp. 1-47 ATOMS, SPECTRA, RADIATIONS Multiphoton Ionization of Atoms by an Ultrashort Laser Pulse V. S. Popov pp. 1-5 Full Text: PDF (86 kB) Giant Second Harmonic Generation in Microcavities Based on Porous Silicon Photonic Crystals T. V. Dolgova, A. I. Maidikovskii, M. G. Martem'yanov, G. Marovsky, G. Mattei, D. Schuhmacher, V. A. Yakovlev, A. A. Fedyanin, and O. A. Aktsipetrov pp. 6-9 Full Text: PDF (136 kB) PLASMA, GASES Rydberg Matter as a Metastable State of Strongly Nonideal Plasma G. É. Norman pp. 10-12 Full Text: PDF (46 kB) CONDENSED MATTER Phase Composition of Ti–C Films Obtained under the Technological Conditions of Diamond Formation at a Carbon Content of Above 50 at. % V. I. Perekrestov and A. V. Pavlov pp. 13-16 Full Text: PDF (119 kB) Dynamic Stability of a System of Concentric Circular Domains V. N. Mal'tsev and N. M. Fakhrutdinov pp. 17-20 Full Text: PDF (79 kB) Structure of the Intersubband Collective Excitations in Quasi-Two-Dimensional Systems in a Magnetic Field V. E. Bisti pp. 21-24 Full Text: PDF (57 kB) Transition to 1D Conduction with Decreasing Thickness of the Crystals of TaS3 and NbSe3 Quasi-1D Conductors S. V. Zaitsev-Zotov, V. Ya. Pokrovskii, and P. Monceau pp. 25-27 Full Text: PDF (65 kB) Hexavacancies in Crystalline Silicon A. S. Kaminskii pp. 28-30 Full Text: PDF (49 kB) New Scenario for the Decay of Spin-Peierls State in CuGeO3 : Fe. Onset of a Quantum Critical Point S. V. Demishev, R. V. Bunting, L. I. Leonyuk[dagger], E. D. Obraztsova, A. A. Pronin, N. E. Sluchanko, N. A. Samarin, and S. V. Terekhov pp. 31-34 Full Text: PDF (77 kB) Relativistic Effects in PtF6 and Isoelectronic Octahedral Groups: Magnetic Susceptibility, 19F NMR, and ab initio Calculations S. P. Gabuda, V. N. Ikorskii, S. G. Kozlova, and P. S. Nikitin pp. 35-38 Full Text: PDF (53 kB) Ground State of a Mixture of Resonant Condensates L. A. Manakova pp. 39-43 Full Text: PDF (65 kB) Magnetic Field Effects on the Nonohmic Impurity Conduction of Uncompensated Crystalline Silicon A. P. Mel'nikov, Yu. A. Gurvich, L. N. Shestakov, and E. M. Gershenzon pp. 44-47 Full Text: PDF (69 kB)