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Is the valley the points K and K’ of the Brillouin zone?
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What people call the valley are inequivalent points of the Brillouin zone? In MoS2 the are two inequivalent points, the K and the K', that...
What is the valley degree of freedom in Transition metal Di-Chalcogenides?
I'm studying the electronic properties of Transition metal Di-Chalcogenides (TMDs), and after reading a lot of papers, I became really confused about what is the valley degree...