Abstract
The temperature behavior of electrical conductivity of boron nitride nanotubes (6, 0) in the context of Hubbard model at the paramagnetic sector. The effect of electronic correlation on the energy gap of boron nitride nanotube (BNNT) is investigated. Interacting electronic Green's function matrix has been found within GW approximation. Using Kubo formula, electrical conductivity of the system has been calculated. The results show that the band gap in the density of state decreases with Coulomb repulsion strength. Moreover, the increase of electronic correlation leads to decrease electrical conductivity of BNNT. Also the electrical conductivity shows an exponential behavior in terms of temperature at all the values of electron–electron interaction parameter.
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