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BULLETIN OF THE LEBEDEV PHYISICS INSTITUTE
P.N.Lebedev Physics Institute of the Russian Academy of sciences

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9 number 2003 year

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1. Title:
THREE-DIMENSIONAL STRUCTURE OF VORTEX LATTICES IN A SOLID-STATE MICROCHIP LASER
Authors:
A.Y. Okulov.

Abstract:

2. Title:
THE EFFECT OF DARK MATTER HALO ON THE GROWTH OF A SUPERMASSIVE BLACK HOLE IN THE CENTER OF A GALAXY
Authors:
E.A. Vasil`ev, M.I. Zel`nikov.

Abstract:

3. Title:
ELECTRON ACCELERATION UPON PROPAGATION OF SELF-CHANNELED INTENSE LIGHT PULSES
Authors:
A.L. Galkin, V.V. Korobkin, O.B. Shiryaev, M.Y. Romanovskii.

Abstract:
We consider electron acceleration by the electromagnetic field of a moving ion cloud created by a short laser pulse propagating in a medium. We show that as in the case of a point ion, electrons also have a critical value of impact parameter. Electrons with an impact parameter less than critical are entrapped by the ion cloud and being affected by the ponderomotive force are reflected from the region of laser radiation localization and oscillate in the neighborhood of the cloud for some time. In this case, the electron energy may reach tens of MeV and thus exceed considerably the electron oscillation energy in the laser radiation field. When detached from the ion cloud, the electrons form a beam with an energy equal to several MeV. The mechanism considered here is adequate for the acceleration wake wave investigated earlier by many authors. The form of the calculated angular spectrum of accelerated electrons coincides with the known experimental data.

4. Title:
THE ROLE OF COSMIC RAYS IN THE FORMATION OF LIGHTNING
Authors:
V.I. Ermakov, Y.I. Stozhkov.

Abstract: