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Discovery of higher-order topological insulators using the spin Hall conductivity as a topology signature
This article shows a connection between spin Hall effect and HOTIs using a combination of ab initio calculations and tight-binding modeling. The model demonstrates how a non-zero bulk midgap spin Hall conductivity (SHC) emerges within the HOTI phase. This work guides novel experimental and theoretical advances towards higher-order topological insulator realization and applications.
Date:
April 12, 2021
Creator:
Costa, Marcio; Mera Acosta, Carlos; Padilha, Antonio C.M.; Cerasoli, Frank T.; Buongiorno Nardelli, Marco & Fazzio, Adalberto
System:
The UNT Digital Library
Dust Covering Factor, Silicate Emission, and Star Formation in Luminous QSOs
This article presents Spitzer IRS low resolution, mid-IR spectra of a sample of 25 high luminosity QSOs at 2 < z < 3.5.
Date:
April 12, 2007
Creator:
Maiolino, Roberto; Shemmer, Ohad; Imanishi, Masatoshi; Netzer, Hagai; Oliva, Ernesto; Lutz, Dieter et al.
System:
The UNT Digital Library
Resonance modes in moiré photonic patterns for twistoptics
Article studying twistoptics for manipulating optical properties in twisted moiré photonic patterns without physical rotations. The presented approach can lead toward the study of twistoptics for the manipulating of optical properties in moiré patterns with different twist angles.
Date:
April 12, 2021
Creator:
Alnasser, Khadijah; Kamau, Steve; Cui, Jingbiao & Lin, Yuankun
System:
The UNT Digital Library