Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-05-16
The European Physical Journal B - Condensed Matter and Complex Systems, 2012, Volume 85, Number 4, Page 126 (9 pages)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
9 pages, 14 figures
Scientific paper
10.1140/epjb/e2012-20434-7
Magnetic response of interacting electrons in a zigzag carbon nanotube threaded by a magnetic flux is investigated within a Hartree-Fock mean field approach. Following the description of energy spectra for both non-interacting and interacting cases we analyze the behavior of persistent current in individual branches of a nanotube. Our present investigation leads to a possibility of getting a filling-dependent metal-insulator transition in a zigzag carbon nanotube.
Dutta Paramita
Karmakar S. N.
Maiti Santanu K.
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