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Symmetry-protected line nodes and Majorana flat bands in nodal crystalline superconductors
Shingo Kobayashi, Shuntaro Sumita, Youichi Yanase +1
Line nodes in the superconducting gap are known to be a source of Majorana flat bands (MFBs) in time-reversal-invariant superconductors (SCs). Here, we extend this relation to all…
Critical Slowing Down of Quadrupole and Hexadecapole Orderings in Iron Pnictide Superconductor
Ryosuke Kurihara, Keisuke Mitsumoto, Mitsuhiro Akatsu +4
Ultrasonic measurements have been carried out to investigate the critical dynamics of structural and superconducting transitions due to degenerate orbital bands in iron pnictide co…
Topological Crystalline Materials - General Formulation, Module Structure, and Wallpaper Groups -
Ken Shiozaki, Masatoshi Sato, Kiyonori Gomi
We formulate topological crystalline materials on the basis of the twisted equivariant -theory. Basic ideas of the twisted equivariant -theory is explained with application t…