TL;DR
This paper predicts a new class of massless fermions called Kramers-Weyl fermions arising from the topology of chiral crystals, leading to giant arc-like surface states in various chiral materials.
Contribution
It introduces the concept of Kramers-Weyl fermions and links their existence to the topology of chiral crystals, expanding understanding of topological states in materials.
Findings
Prediction of Kramers-Weyl fermions in chiral crystals
Identification of giant arc-like surface states
Potential for experimental observation in chiral materials
Abstract
By considering the topology of chiral crystals a new type of massless fermions, connected with giant arc-like surface states, are predicted. Such Kramers-Weyl fermions should manifest in a wide variety of chiral materials
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