Our results show that the ground state when including the diagonal and off-diagonal coupling at the same time, is coexisting charge density wave (CDW) with bond order wave (BOW).

• 结果表明；当同时包括对角和非对角耦合时；这种物质的基态将是电荷密度波(CDW)和键序波(BOW)共存；而以前的研究者都认为在这种物质中只存在电荷密度波(CDW).