JETP Letters -- February 10, 2000 Volume 71, Issue 3, pp. 97-126 GRAVITY, ASTROPHYSICS Muons in Extensive Air Showers of Energies E0 = 1016.6–1019.8 eV A. V. Glushkov, I. T. Makarov, M. I. Pravdin, I. E. Sleptsov, V. R. Sleptsova, and N. N. Kalmykov pp. 97-101 Full Text: PDF (91 kB) PLASMA, GASES Liquid Plasma Crystal: Coulomb Crystallization of Cylindrical Macroscopic Grains in a Gas-Discharge Plasma V. I. Molotkov, A. P. Nefedov, M. Yu. Pustyl'nik, V. M. Torchinsky, V. E. Fortov, A. G. Khrapak, and K. Yoshino pp. 102-105 Full Text: PDF (250 kB) CONDENSED MATTER Phase Separation in La–Pr Manganites and Its Evolution in a Magnetic Field I. F. Voloshin, A. V. Kalinov, S. E. Savel'ev, L. M. Fisher, N. A. Babushkina, L. M. Belova, D. I. Khomskii, and K. I. Kugel' pp. 106-110 Full Text: PDF (75 kB) Nonohmic Coulomb Drag in the Ballistic Electron Transport Regime V. L. Gurevich and M. I. Muradov pp. 111-113 Full Text: PDF (51 kB) Effects of Pressure and Magnetic Field on the Electrical Resistivity of La0.8Ba0.2MnO3 in Rhombohedral and Orthorhombic Phases V. E. Arkhipov, V. S. Gaviko, K. M. Demchuk, V. P. Dyakina, A. V. Korolev, Ya. M. Mukovskii, É. A. Neifel'd, and R. V. Pomortsev pp. 114-116 Full Text: PDF (114 kB) Collective Behavior of Interwell Excitons in GaAs/AlGaAs Double Quantum Wells A. V. Larionov, V. B. Timofeev, J. Hvam, and C. Soerensen pp. 117-122 Full Text: PDF (104 kB) Reversal of the Critical-Current Sign in SFIFS Tunnel Contacts E. A. Koshina and V. N. Krivoruchko pp. 123-126 Full Text: PDF (51 kB)