Nonlinear Resonance Interaction between Conjugate Circumferential Flexural Modes in Single-Walled Carbon Nanotubes

Table 4

Natural frequencies of the free-free SWCNT of Table 1 with radius R = 0.39 nm and length L = 3.0 nm.

Vibration mode (m,n)	Natural frequency (THz)
(0,2)	1.17609
(1,2)	1.21558
(2,2)	1.52195
(3,2)	2.32386
(0,4)	6.37264
(1,4)	6.42757
(2,4)	6.61777
(3,4)	6.95070
(0,0)	9.04466
(1,0)	9.28746
(2,0)	8.60968
(3,0)	8.79534