Research paperTheoreticalOther ComputationalDynamically Characterizing the Structures of Dirac Points via Wave PacketsDan-Dan Liang, Xin Shen, Zhi LiarXiv preprint·2026·10.1088/0256-307X/40/11/110302·arXiv:2605.08236AbstractWe investigate the topological band structure of graphene with third-nearest-neighbor coupling from the perspective of wave packet dynamics. By tuning the coupling, additional Dirac points emerge and annihilate, producing hybrid and parabolic points. The resulting wave packet motion reveals one-dimensional Zitterbewegung, diffusion, and splitting behaviors that can be used to infer the local band structure and winding number.Read more
Tight-binding graphene model with third-nearest-neighbor hopping used to study Dirac point evolution and wave packet dynamics.1 characterization2 properties1 figureSimulatedCStudied MaterialExpand
Research paperTheoreticalOther ComputationalDynamically Characterizing the Structures of Dirac Points via Wave PacketsDan-Dan Liang, Xin Shen, Zhi LiarXiv preprint·2026·10.1088/0256-307X/40/11/110302·arXiv:2605.08236AbstractWe investigate the topological band structure of graphene with third-nearest-neighbor coupling from the perspective of wave packet dynamics. By tuning the coupling, additional Dirac points emerge and annihilate, producing hybrid and parabolic points. The resulting wave packet motion reveals one-dimensional Zitterbewegung, diffusion, and splitting behaviors that can be used to infer the local band structure and winding number.Read more
Tight-binding graphene model with third-nearest-neighbor hopping used to study Dirac point evolution and wave packet dynamics.1 characterization2 properties1 figureSimulatedCStudied MaterialExpand
Research paperTheoreticalOther ComputationalDynamically Characterizing the Structures of Dirac Points via Wave PacketsDan-Dan Liang, Xin Shen, Zhi LiarXiv preprint·2026·10.1088/0256-307X/40/11/110302·arXiv:2605.08236AbstractWe investigate the topological band structure of graphene with third-nearest-neighbor coupling from the perspective of wave packet dynamics. By tuning the coupling, additional Dirac points emerge and annihilate, producing hybrid and parabolic points. The resulting wave packet motion reveals one-dimensional Zitterbewegung, diffusion, and splitting behaviors that can be used to infer the local band structure and winding number.Read more
Tight-binding graphene model with third-nearest-neighbor hopping used to study Dirac point evolution and wave packet dynamics.1 characterization2 properties1 figureSimulatedCStudied MaterialExpand
Research paperTheoreticalOther ComputationalDynamically Characterizing the Structures of Dirac Points via Wave PacketsDan-Dan Liang, Xin Shen, Zhi LiarXiv preprint·2026·10.1088/0256-307X/40/11/110302·arXiv:2605.08236AbstractWe investigate the topological band structure of graphene with third-nearest-neighbor coupling from the perspective of wave packet dynamics. By tuning the coupling, additional Dirac points emerge and annihilate, producing hybrid and parabolic points. The resulting wave packet motion reveals one-dimensional Zitterbewegung, diffusion, and splitting behaviors that can be used to infer the local band structure and winding number.Read more
Tight-binding graphene model with third-nearest-neighbor hopping used to study Dirac point evolution and wave packet dynamics.1 characterization2 properties1 figureSimulatedCStudied MaterialExpand