Physics, mathematics, and technology

2020 Issue №3

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Finite-difference-steepest descent paradigm: new numerical method of Fockian spectral problem



A new numerical method that unify finite-difference and the method of steepest descent paradigms is suggested. It allows to avoid the wavefuncions spa­ce and spin variables division, that leads to superposition in spin projec­tion stacionary states. The approach is verified by comparison with conven­tio­nal methods.