In the quantum semimetal tantalum arsenide (TaAs), electrons in momentum space behave like a swirling ... It involves shining light on a material sample, extracting electrons, and measuring ...
It involves shining light on a material sample, extracting electrons, and measuring their energy and exit angle. This gives us a direct look at a material's electronic structure in momentum space ...
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Light momentum turns pure silicon from an indirect to a direct bandgap semiconductor"When light is confined to scales smaller than a few nanometers, its momentum distribution widens. The momentum increase is so substantial, that it surpasses that of free-space photons by a factor ...
It involves shining light on a material sample, extracting electrons, and measuring their energy and exit angle. This gives us a direct look at a material’s electronic structure in momentum space,” ...
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