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5 papers · 1 filter
Classes of Algebras and closure operations
I. S. Gutierrez, Anselmo Torresblanca-Badillo, David A. Towers
The calculus of classes and closure operations has proved to be a useful tool in group theory and has led to a deep theory in the study of finite soluble groups. More recently, par…
Generator Controller Tuning Considering Stochastic Load Variation Using Analysis of Variance and Response Surface Method
Frank A. Ibarra, Daniel Turizo, César Orozco-Henao +1
This article proposes a method for generator controller tuning in a power system affected by stochastic loads. The method uses the Analysis of Variance to detect the controllers wi…
Topological electronic structure and Weyl points in nonsymmorphic hexagonal materials
Rafael González-Hernández, Erick Tuiran, Bernardo Uribe
Using topological band theory analysis we show that the nonsymmorphic symmetry operations in hexagonal lattices enforce Weyl points at the screw-invariant high-symmetry lines of th…
Observation of the Anomalous Hall Effect in a Collinear Antiferromagnet
Zexin Feng, Xiaorong Zhou, Libor Šmejkal +16
Time-reversal symmetry breaking is the basic physics concept underpinning many magnetic topological phenomena such as the anomalous Hall effect (AHE) and its quantized variant. The…
Efficient Electrical Spin-Splitter Based on Non-Relativistic Collinear Antiferromagnetism
Rafael González-Hernández, Libor Šmejkal, Karel Výborný +4
Electrical spin-current generation is among the core phenomena driving the field of spintronics. Using {\em ab initio} calculations we show that a room-temperature metallic colline…