MOBILITY EDGE IN THE AUBRY MODEL OF ONE-DIMENSIONAL INCOMMENSURATE SYSTEMS
一维无公度系统Aubry模型的迁移率边

In this paper, we show that: when the wave vector Q is not infinitesimal but sufficiently small, there exist mobility edges in the region of V < 2 in the Aubry model of one-dimensional incommensurate systems. On the condition of Q tending to zero the mobility edges are Ec=±|2-V|, The result is different from that of duality theory.