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 Y52: Magnetic Topological Materials 9: Theory
11:30 AM–2:30 PM,
Friday, March 19, 2021
Sponsoring
Units:
DMP GMAG
Chair: Nirmal Ghimire, George Mason University
Abstract: Y52.00002 : Pinch-point singularities in spectroscopy guarantee topological criticality*
11:42 AM–11:54 AM
Live
Presenter:
Han Yan
(Okinawa Inst of Sci & Tech)
Author:
Han Yan
(Okinawa Inst of Sci & Tech)
We will survey the materials in which these features have already been seen (but not brought to attention in some cases): FeSe [3], Nd2Zr2O7 [4], and those in which they should appear in corresponding experiments. Given their wide appearance, the pinch points could be a very useful tool to quickly identify topological bands.
[1] Benton, Phys. Rev. B 94, 104430
[2] Yan et. al., Phys. Rev. B 98, 140402(R)
[3] Wang et al., Nature Materials 4686
[4] Petit et al., Nature Physics 3710
*HY is supported by the Theory of Quantum Matter Unit at OIST, and the JSPS Research Fellowships for Young Scientists.
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