Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session T00: Poster Session III (1pm-4pm PST)
1:00 PM,
Thursday, March 9, 2023
Room: Exhibit Hall (Forum Ballroom)
Sponsoring
Unit:
APS
Abstract: T00.00045 : An Interaction Bulk-Boundary Relation and its Applications Towards Symmetry Breaking and Beyond*
Presenter:
Saran Vijayan
(University of British Columbia)
Authors:
Saran Vijayan
(University of British Columbia)
Fei Zhou
(University of British Columbia)
Majorana fermions. In addition, phase transitions between the semi-metallic phase and the superconducting phase of the surface states have an emergent (2+1) D Supersymmetry. In this respect, we studied the interactions between topological surface matter. We put forward a simple scaling relation that connects interactions between gapped bulk topological matter and gapless surface fermions which we have named ‘the interacting bulk-boundary (BBR) relation’. Using the BBR phenomenology we developed, we propose that the attractive
phonon-mediated interaction between electrons is greatly enhanced if one chooses a topological material such that its bulk energy gap matches its Debye frequency. As an application, we propose a semi-realistic approach to realize attractively interacting electronic ground states on topological surfaces.
*This project is funded by NSERC(Canada) discovery grant under RGPIN-2020-07070.
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