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- Chinese Academy of SciencesCN16 papers
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6 papers · 2 filters
Three-dimensional valley-contrasting sound
Haoran Xue, Yong Ge, Zheyu Cheng +8
Spin and valley are two fundamental properties of electrons in crystals. The similarity between them is well understood in valley-contrasting physics established decades ago in two…
Coupled spin and valley Hall effects driven by coherent tunneling
W. Zeng
We predict the coexistence of tunneling spin and valley Hall effects when electrons in graphene coherently transmit through a barrier with the broken inversion symmetry and proximi…
Machine learning topological energy braiding of non-Bloch bands
Shuwei Shi, Shibing Chu, Yuee Xie +1
Machine learning has been used to identify phase transitions in a variety of physical systems. However, there is still a lack of relevant research on non-Bloch energy braiding in n…
Tunneling valley Hall effect induced by coherent geometric phase
W. Zeng
We propose a geometric phase-resolved tunneling valley Hall effect based on the coherent transmission through two combined electric barriers in lattices. It is sh…
Tunneling chirality Hall effect in type-I Weyl semimetals
W. Zeng
We propose a tilt-assisted chirality Hall effect in the normal metal-superconductor (NS) junctions based on the time-reversal broken type-I Weyl semimetals. It is found that the ch…
Generalized bulk-boundary correspondence in periodically driven non-Hermitian systems
Xiang Ji, Xiaosen Yang
We present a pedagogical review of the periodically driven non-Hermitian systems, particularly on the rich interplay between the non-Hermitian skin effect and the topology. We star…