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cond-mat2000
Features of Hopping Integral and Unconventional Orbital Modes for Quantum Skyrmions in Heisenberg Ferromagnet
R. A. Istomin, A. S. Moskvin
We use the coherent state approximation for the skyrmion in the isotropic quantum Heisenberg ferromagnet to obtain analytical expression for skyrmion hopping integral as a function…
cond-mat.str-el2000
Non-rigid shell model and novel correlational effects in atomic and molecular systems
Yu. D. Panov, A. S. Moskvin
Direct analytical and numerical calculation show that two-electron atomic configuration can be unstable with respect to a static or dynamic shift of the electron shells. This enabl…