sknano.structures.SWNT.t1

SWNT.t1

\(t_{1} = \frac{2m + n}{d_{R}}\)

where \(d_R = \gcd{(2n + m, 2m + n)}\).

The component of the translation vector \(\mathbf{T}\) along \(\mathbf{a}_1\):

\[\mathbf{T} = t_1\mathbf{a}_{1} + t_2\mathbf{a}_2\]