Graphene-based moiré superlattices are now established as an interesting platform for strongly correlated many-electron physics, and they have so far been characterized mainly by transport and scanning tunneling microscopy (STM) measurements. Motivated by recent experimental progress, we present a theoretical model study whose aim is to assess the potential of angle-resolved photoemission spectroscopy (ARPES) to resolve some of the many open issues in these systems. The theory is developed specifically for graphene on hexagonal boron nitride (G/hBN) and twisted bilayer graphene (TBG) moiré superlattices, but it is readily generalized to any system with active degrees of freedom in graphene sheets.

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基于石墨烯的莫尔超晶格中角分辨光电子能谱的理论

基于石墨烯的莫尔超晶格现已成为强相关多电子物理学的一个有趣平台，迄今为止，它们主要通过传输和扫描隧道显微镜 (STM) 测量进行表征。受最近实验进展的启发，我们提出了一项理论模型研究，其目的是评估角分辨光电子能谱 (ARPES) 解决这些系统中许多未解决问题中的一些问题的潜力。该理论是专门为六方氮化硼 (G/hBN) 和扭曲双层石墨烯 (TBG) 莫尔超晶格上的石墨烯开发的，但它很容易推广到石墨烯片中具有活跃自由度的任何系统。