Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session Y46: Symmetries in Topological Phases
11:30 AM–1:42 PM,
Friday, March 19, 2021
Sponsoring
Unit:
DCMP
Chair: Meng Cheng
Abstract: Y46.00002 : Symmetry protected topological phases beyond groups: The q-deformed bilinear-biquadratic spin chain and the associated quantum group invariant AKLT model*
11:42 AM–11:54 AM
Live
Presenter:
Thomas Quella
(Univ of Melbourne)
Author:
Thomas Quella
(Univ of Melbourne)
We trace the topological properties back to the existence of an SOq(3) quantum group symmetry and speculate about potential links to discrete duality symmetries. We expect our findings and methods to be relevant for the identification, characterization and classification of other symmetry-protected topological phases with non-standard symmetries.
*Partial support through the Australian Research Council (ARC) Centre of Excellence for Mathematical and Statistical Frontiers (ACEMS), project number CE140100049.
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