For prospective job employers
        Curriculum Vitae
              At St. Opt. Inst.
              Collob. with ITEP
              Demkov's seminars
        Unpublished reports

For general public
              23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 99 98
              1977-95 (b. & w.)
              Selected pict.

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        Directory of files

Alexey Sergeev

Department of Mathematics
Texas A&M University
College Station, TX 77843
Tel. 979 422-5784

Email to Send electronic mail


A. S. in Dallas 9/3/97

Research interests are quantum-mechanical perturbation theory, summation of divergent perturbation series, quasiclassical methods for resonant states. Specifically, Stark effect and 1/D-expansion (where D is the dimensionality of space) for various quantum-mechanical problems, such as screened Coulomb potentials, Stark and Zeeman effects, helium-like ions, and two-centre-Coulomb problem. Recently, worked on self-consistent-field version of the semiclassical perturbation theory for molecules, new schemes to sum perturbation series for resonances, estimating stability of atoms with a variable nuclear charge (finding "critical" charges).
RSPT-expansion On-line calculation and graphical display
of Rayleigh - Schrodinger perturbation series
for various quantum-mechanical problems

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