JETP Letters -- February 25, 1998

Sufficient conditions for the existence of Q balls in gauge theories
A. Kusenko, M. Shaposhnikov, and P. G. Tinyakov
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Matrix element of the anomalously low-energy (3.5 ± 0.5 eV) transition in ²²⁹Th and the isomer lifetime
A. M. Dykhne and E. V. Tkalya
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Estimates of electron–positron pair production in the interaction of high-power laser radiation with high-Z targets
D. A. Gryaznykh, Ya. Z. Kandiev, and V. A. Lykov
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Contact scanning near-field optical microscopy
D. A. Lapshin, S. K. Sekatskii, V. S. Letokhov, and V. N. Reshetov
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Spectral dependence of the excitation of the "forbidden" second optical harmonic in an aqueous suspension of purple membranes by femtosecond laser pulses under electronic resonance conditions
A. V. Balakin, N. I. Koroteev, A. V. Pakulev, A. P. Shkurinov, D. Boucher, P. Masselin, and E. Fertein
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Spontaneous far-IR emission accompanying transitions of charge carriers between levels of quantum dots
L. E. Vorob'ev, D. A. Firsov, V. A. Shalygin, V. N. Tulupenko, Yu. M. Shernyakov, N. N. Ledentsov, V. M. Ustinov, and Zh. I. Alferov
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On phase-modulational bifurcation during passive mode locking in lasers
A. K. Komarov, K. P. Komarov, and A. S. Kuch'yanov
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One-dimensional localization in porous a-Si_{1 – c}Mn_c
A. I. Yakimov, A. V. Dvurechenskii, V. A. Dravin, and Yu. Yu. Proskuryakov
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On the anomalous H dependence of the amplitude of de Haas–van Alphen oscillations in CeCu₂Si₂
V. V. Val'kov and D. M. Dzebisashvili
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Vortex drag in the quantum Hall effect
S. A. Vitkalov
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Observation of the pre-explosion state and of the initial moment of an explosion of a field emission center in a field emission microscope
A. V. Batrakov, S. A. Popov, and D. I. Proskurovskii
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Erratum: QED corrections to DIS cross section with tagged photon [JETP Lett. 66, No. 6, 391–396 (1997)]
E. A. Kuraev and N. P. Merenkov
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