Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session B57: Superconductivity: Response to E&M Fields
11:30 AM–2:18 PM,
Monday, March 14, 2022
Room: Hyatt Regency Hotel -Clark
Sponsoring
Unit:
DCMP
Chair: Hikaru Ueki, Northwestern University
Abstract: B57.00004 : Microwave response of strongly demagnetized anisotropic samples*
12:06 PM–12:18 PM
Presenter:
Timothy Branch
(University of British Columbia)
Authors:
Timothy Branch
(University of British Columbia)
Graham Baker
(University of British Columbia)
James Day
(University of British Columbia)
David Broun
(Simon Fraser University)
Douglas A Bonn
(University of British Columbia)
To support the interpretation of such spectroscopic measurements, the microwave magnetic response of realistic, strongly-demagnetized samples was studied[1] using numerical simulations in COMSOL Multiphysics®. Here we present the results from these studies, and how they were used to determine the non-local surface impedance of palladium cobaltate (PdCoO2) from microwave spectroscopy measurements. This modelling also has implications for the RF responses of other materials such as non-local anisotropic superconductors [2].
[1] Branch T., Master’s Thesis (2021)
[2] Kosztin, PRL 79, 135 (1997)
*We would like to acknowledge the support given by CMC Microsystems, for providing the COMSOL Multiphysics® licenses used to carry out this research.
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