Dear every body!
SWCNT (6,6) is a metal but I have plot its band and found a 0.2ev-gap between
the bands which must visit each other at fermi enery. people say that there is
something wrong with my pseudo potential which psedo potential should I select?
An other problem is that the rang of energy must be (-10,-10) but I found it
(-19,7) in dos and band structure!
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