Observation of Hourglass Nodal Lines in Photonics.
Xia L, Guo Q, Yang B, Han J, Liu CX, Zhang W, Zhang S.
Xia L, et al. Among authors: zhang s, zhang w.
Phys Rev Lett. 2019 Mar 15;122(10):103903. doi: 10.1103/PhysRevLett.122.103903.
Phys Rev Lett. 2019.
PMID: 30932638
Free article.