By tight-binding approximation, the energy dispersion of small diameter single-walled carbon nanotubes (SWNT) under tensile and torsional strains has been derived.

• 摘要在紧束缚近似下，解析地推导了轴向拉伸和扭转形变下小直径单壁碳纳米管(SWNT)的能量色散关系。