scholarly journals Structure of Essential Spectra and Discrete Spectrum of the Energy Operator of Five Electron Systems in the Hubbard Model. Sextet and Quartet States

2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Tashpulatov S. M.
Keyword(s):  
Hubbard Model ◽  
Discrete Spectrum ◽  
Energy Operator ◽  
Electron Systems ◽  
Essential Spectra

scholarly journals Spectra of the Energy Operator of Three-Electron Systems in the Impurity Hubbard Model.Second Doublet State

2019 ◽  
Vol 65 (1) ◽  
pp. 109-123
Author(s):  
S M Tashpulatov
Keyword(s):  
Hubbard Model ◽  
Energy Operator ◽  
Doublet State ◽  
Electron Systems ◽  
Dimensional Lattice

We consider the three-electron systems in the impurity Hubbard model and investigated the spectra of the system in the second doublet state in the ν-dimensional lattice Zν .

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