The realization of Weyl systems with the minimum nonzero number of Weyl points (WPs)
and full spin polarization remains challenging in topology physics and spintronic. In this …

Recently, Wang et al.[Phys. Rev. B 106, 195129 (2022) 2469-9950 10.1103/PhysRevB.
106.195129] challenged a widely held belief in the field of Weyl physics, demonstrating that …

Topological phonons in materials are associated with specific atomic lattice vibrations
around the terahertz frequency ranges, offering a rich platform for studying various boson …

The realization of multi-Weyl systems with the minimum nonzero number of Weyl points and
the maximum charge number remains challenging in topology physics. In this work, based …

Topological materials usually possess protected gapless states in either the boundary or
bulk, exhibiting various properties such as spin-momentum locking, Klein tunneling, Fermi …

Absence of any surface arc state has been regarded as the fundamental property of singular
Weyl points, because they are circumvented from the Nielsen‐Ninomiya no‐go theorem. In …

Unconventional quasiparticles of a twofold band degeneracy with| C|= 4, named as charge-
four Weyl point (CFWP), have been revealed in bosonic and artificial systems, while it is …

The fascinating properties of unconventional Dirac and Weyl nodes in crystalline systems,
carrying a topological charge of±2, have captured the attention of researchers. Here …

Realizing Majorana Fermions has always been regarded as a crucial and formidable task in
topological superconductors. In this work, we report a physical mechanism and a material …

Recently, by exhausting low-energy k· p effective models around all band crossings in the
230 space groups, it was found that the maximal topological charge of the twofold …