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Mesoscopic Transport of Quantum Anomalous Hall Effect in Sub-Micron Size Regime
Gang Qiu, Peng Zhang, Peng Deng +4
The quantum anomalous Hall (QAH) effect has been demonstrated in two-dimensional topological insulator systems incorporated with ferromagnetism. However, a comprehensive understand…
Absence of precursor incommensurate charge order in electronic nematic Ba0.35Sr0.65Ni2As2
John Collini, Sangjun Lee, Stella X. -L. Sun +5
Recent discoveries of charge order and electronic nematic order in the iron-based superconductors and cuprates have pointed towards the possibility of nematic and charge fluctuatio…
Distinguishing two-component anomalous Hall effect from topological Hall effect
Lixuan Tai, Bingqian Dai, Jie Li +14
In transport, the topological Hall effect (THE) presents itself as non-monotonic features (or humps and dips) in the Hall signal and is widely interpreted as a sign of chiral spin…
Multiple charge density waves and superconductivity nucleation at antiphase domain walls in the nematic pnictide BaSrNiAs
Sangjun Lee, John Collini, Stella X. -L. Sun +6
How superconductivity interacts with charge or nematic order is one of the great unresolved issues at the center of research in quantum materials. BaSrNiAs$_{2}…
Anomalous symmetry breaking in Weyl semimetal CeAlGe
H. Hodovanets, C. J. Eckberg, Y. Eo +7
CeAlGe, a proposed type-II Weyl semimetal, orders antiferromagnetically below 5 K. At 2 K, spin-flop and a spin-flip transitions to less than 1 /Ce are observed in the …