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\subsubsection{\texorpdfstring{Equilibrium and electronic structures of singlewall CNTs}{Equilibrium and electronic structures of singlewall CNTs}}
\label{sec:equilibrium_and_electronic_structures_of_singlewall_cnts}


There are variety of different computational results on the same CNTs
with the same computational method. To resolve this issue, we swapped
completely the configurational spaces of each CNT considering its 
structural symmetry determined by either as well as achiral (armchair
and zigzag) and chiral CNTs. As a result, We were able to identify the
most stable structure and the coupling effects between structural and
electronic properties.



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