Fig. 5: The variation of energy band structure with the potential width.
From: Modulation of antichiral edge states in zigzag honeycomb nanoribbons by side potentials
a W = 0. b W = 4. c W = 8. d W = 16. e W = 20. f W = 40. The ribbon width Ny = 40 and is defined by the number of carbon atoms along the width direction. The fixed parameters are U1 = 0.2t and M1 = 0.2t.
