## arXiv Analytics

### arXiv:1707.04576 [cond-mat.mtrl-sci]AbstractReferencesReviewsResources

#### A Class of topological nodal rings and its realization in carbon networks

Published 2017-07-14Version 1

Topological nodal rings can be classified into three types according to the slopes in their energy dispersion. The first two are made of type-I and II nodal points, respectively, while the third is made of both. In carbon networks, all three types can exist. Under strain, phase transitions from a topological metal to a semiconductor, take place, and at the transition points, these nodal rings shrink into type-I, II, and III semi-Dirac points. These topological features exhibit diverse electron-hole pocket patterns and Landau levels, which give rise to exotic transport properties.

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