High-throughput screening for Weyl semimetals with S4 symmetry

A new topological invariant χ is defined in systems with S4 symmetry to diagnose the existence of Weyl fermions. By calculating χ, the computational cost for searching Weyl semimetals is greatly reduced. Recently, Gao et ...

An optical coating like no other

For more than a century, optical coatings have been used to better reflect certain wavelengths of light from lenses and other devices or, conversely, to better transmit certain wavelengths through them. For example, the coatings ...

Virtual reality in education is topic of journal special issue

Technology is providing educators with unimaginable tools that are rapidly coming to the fore especially because of restrictions due to the ongoing COVID-19 pandemic. Writing in an editorial in the International Journal of ...

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