Highlights
Mar 2, 2016
MIT Center for Materials Science and Engineering (2014)
First Experimental Observation of Weyl Points
J. Joannopoulos and M. Soljačić
Weyl particles – massless particles linearly dispersing in all three dimensions (3D) -- were first theorized by Hermann Weyl in 1929, who found such a solution to the Dirac equation proposed by Paul Dirac in 1928. A material hosting Weyl particles features singular points in its dispersion relations – the Weyl points. Weyl points are 3D upgrades of the 2D Dirac points in graphene, the proposal of which led to a Nobel prize in Physics in 2010. However, there has been no observation of the Weyl points (particles) until 2015.
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