Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session R48: Superconductivity: Theories and Models II
8:00 AM–11:00 AM,
Thursday, March 5, 2020
Room: Mile High Ballroom 1A
Sponsoring Unit: DCMP
Chair: Herbert Fotso, University at Albany
Abstract: R48.00001 : Chirality polarization and spectral bulk-boundary correspondence*
Recently, Tamura et al. proposed by numerics that surface accumulation of odd-frequency Cooper pairs is the bulk property . This relation is named spectral bulk-boundary correspondence (SBBC). However, formal proof for SBBC has been lacking.
In this work, we prove SBBC based on the analogy with electric polarization: SBBC can be regarded as polarization of chiralities.
 D. Vanderbilt and R. D. King-Smith, Phys. Rev. B 48, 4442 (1993).
 S. Tamura, S. Hoshino, and Y. Tanaka, Phys. Rev. B 99, 184512 (2019).
*This work was supported by Grant-in Aid for Scientific Research on Innovative Areas ``J-Physics'' (No.~15H05884) and ``Topological Materials Science'' (No.~18H04225) from JSPS of Japan, and by JSPS KAKENHI Grants No. 15K05164, No. 15H05745, No. 17J10588, No.~18H01178, and No.~18H05227.
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