• 文献标题:   Stacking dependence of carrier interactions in multilayer graphene systems
  • 文献类型:   Article
  • 作  者:   JANG Y, HWANG EH, MACDONALD AH, MIN H
  • 作者关键词:  
  • 出版物名称:   PHYSICAL REVIEW B
  • ISSN:   1098-0121 EI 1550-235X
  • 通讯作者地址:   Seoul Natl Univ
  • 被引频次:   5
  • DOI:   10.1103/PhysRevB.92.041411
  • 出版年:   2015

▎ 摘  要

We identify qualitative trends in the stacking sequence dependence of carrier-carrier interaction phenomena in multilayer graphene. Our theory is based on an approach which explicitly exhibits the important role in interaction phenomena of the momentum-direction-dependent intersite phases determined by the stacking sequence. Using this method, we calculate and compare the self-energies, density-density response functions, collective modes, and ground-state energies of several different few-layer graphene systems. The influence of electron-electron interactions on important electronic properties can be understood in terms of competition between intraband exchange, interband exchange, and correlation contributions that vary systematically with the stacking arrangement.