Kinks and antikinks of buckled graphene: A testing ground for phi^4 field model

Abstract

Kinks and antikinks of the classical phi^4 field model are topological solutions connecting its two distinct ground states. Here we establish an analogy between the excitations of a long graphene nanoribbon buckled in the transverse direction and phi^4 model results. Using molecular dynamics simulations, we investigated the dynamics of a buckled graphene nanoribbon with a single kink and with a kink-antikink pair. Several features of phi^4 model have been observed including the kink-antikink capture at low energies, kink-antikink reflection at high energies, and a bounce resonance. Our results pave the way towards the experimental observation of a rich variety of phi^4 model predictions based on graphene.

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Cited by in corpus (8)

• The ${\varphi }^4$ model with the BPS preserving defect
• Extreme values of elastic strain and energy in sine-Gordon multi-kink collisions
• Oscillons in hyperbolic models
• Kinks in higher-order polynomial models
• The Two-Loop ${\varphi }^4$ Kink Mass
• Scattering of kinks in the $B{\phi }^4$ model
• Kink-antikink scattering-induced breathing bound states and oscillons in a parametrized ${\varphi }^4$ model
• Manipulating the internal structure of Bloch walls