论文标题
全息lieb晶格并盖住了狄拉克乐队
Holographic Lieb lattice and gapping its Dirac band
论文作者
论文摘要
我们首先指出，Laia-Tong模型在全息图设置中意识到了Lieb晶格。它与非图案光谱的狄拉克带一起生成平坦的锋利粒子光谱。然后，我们构建了一个模型，该模型向Dirac频段打开了差距，以便可以实现一个良好的平坦带，该频带可以发挥强相关系统的氢原子的作用。然后，我们分析间隙和无间隙相之间的相变。我们还取得了方法论上的进步，以找到其他一些量化，并以标准量化的方式表达了任何量化的绿色功能。
We first point out that the Laia-Tong model realizes the Lieb lattice in the holographic setup. It generates a flat band of sharp particle spectrum together with a Dirac band of unparticle spectrum. We then construct a model which opens a gap to the Dirac band so that one can realize a well-separated flat band, which can play the role of the hydrogen atom of strongly correlated systems. We then study the phase transition between the gapped and gapless phases analytically. We also made methodological progress to find a few other quantizations and we express the Green functions in any quantization in terms of that in the standard quantization.
