A quantum state in monolayer graphene can acquire an extra node when its eigenenergy varies relative to the energy range of an applied potential well. In contrast to a non relativistic quantum state, this node creation is not followed by a change in the eigenenergy index. Here, we consider two-component confined states in a cylindrically symmetric graphene system and investigate an energy dependent node creation in a uniform magnetic field. We show that an extra node can be created in one of the two components by increasing the strength of the potential well and the same node can be destroyed by tuning the magnetic field. We demonstrate the importance of the sign of the angular momentum and examine the appropriate conditions which enhance the effect of the node on the quantum states.

当单层石墨烯的本征能量相对于所施加势阱的能量范围发生变化时，单层石墨烯中的量子态可以获得一个额外的节点。与非相对论量子态相比，这个节点的创建不会跟随特征能量指数的变化。在这里，我们考虑了圆柱对称石墨烯系统中的双分量受限状态，并研究了均匀磁场中能量相关节点的产生。我们表明，可以通过增加势阱的强度在两个组件之一中创建一个额外的节点，并且可以通过调整磁场来破坏相同的节点。我们证明了角动量符号的重要性，并检查了增强节点对量子态的影响的适当条件。