Video URL
https://pirsa.org/21020001Electric Multipole Insulators
APA
Hughes, T. (2021). Electric Multipole Insulators. Perimeter Institute for Theoretical Physics. https://pirsa.org/21020001
MLA
Hughes, Taylor. Electric Multipole Insulators. Perimeter Institute for Theoretical Physics, Feb. 01, 2021, https://pirsa.org/21020001
BibTex
@misc{ scivideos_PIRSA:21020001, doi = {10.48660/21020001}, url = {https://pirsa.org/21020001}, author = {Hughes, Taylor}, keywords = {Quantum Matter}, language = {en}, title = {Electric Multipole Insulators}, publisher = {Perimeter Institute for Theoretical Physics}, year = {2021}, month = {feb}, note = {PIRSA:21020001 see, \url{https://scivideos.org/index.php/pirsa/21020001}} }
Taylor Hughes University of Illinois Urbana-Champaign
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.