Electron transition energies of single-walled carbon nanotubes: Hartree – Fock’s CNDOL approaches for describing excitations and related properties

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Electronic properties of two kinds of zig-zag (13,0) and (9,0) single walled carbon nanotubes (SWCNT) are studied using both Density Functional Theory (DFT) and an approximate Hartree-Fock (HF) named as Complete Neglect of Differential Overlap [...]