APA

Hughes, T. (2021). Electric Multipole Insulators. Perimeter Institute. https://pirsa.org/21020001

MLA

Hughes, Taylor. Electric Multipole Insulators. Perimeter Institute, Feb. 01, 2021, https://pirsa.org/21020001

BibTex

@misc{ pirsa_PIRSA:21020001,
  doi = {10.48660/21020001},
  url = {https://pirsa.org/21020001},
  author = {Hughes, Taylor},
  keywords = {Condensed Matter},
  language = {en},
  title = {Electric Multipole Insulators},
  publisher = {Perimeter Institute},
  year = {2021},
  month = {feb},
  note = {PIRSA:21020001 see, \url{https://pirsa.org}}
}
            

Abstract

In this talk I will present a general framework to distinguish different classes of charge insulators based on whether or not they insulate or conduct higher multipole moments (dipole, quadrupole, etc.). This formalism applies to generic many-body systems that support multipolar conservation laws. Applications of this work provide a key link between recently discovered higher order topological phases and fracton phases of matter.