• 文献标题:   Quantum critical scaling in graphene
  • 文献类型:   Article
  • 作  者:   SHEEHY DE, SCHMALIAN J
  • 作者关键词:  
  • 出版物名称:   PHYSICAL REVIEW LETTERS
  • ISSN:   0031-9007
  • 通讯作者地址:   Louisiana State Univ
  • 被引频次:   157
  • DOI:   10.1103/PhysRevLett.99.226803
  • 出版年:   2007

▎ 摘  要

We show that the emergent relativistic symmetry of electrons in graphene near its quantum critical point (QCP) implies a crucial importance of the Coulomb interaction. We derive scaling laws, valid near the QCP, that dictate the nontrivial magnetic and charge response of interacting graphene. Our analysis yields numerous predictions for how the Coulomb interaction will be manifested in experimental observables such as the diamagnetic response and electronic compressibility.