The van Hove singularity in density of states generally exists in periodic systems due to the presence of saddle points of energy dispersion in ...
High-order van Hove singularity can be generally achieved by tuning the band structure with a single parameter in moiré superlattices, such as ...
... in such a system, particularly at the higher-order Van Hove singularity.
The van Hove singularity in density of states generally exists in periodic systems due to the presence of saddle points of energy dispersion in ...
Van Hove points are special points in the energy dispersion, where the density of states exhibits analytic singularities. When a Van Hove point is ...
θ=1.05. High-Order Van Hove Singularity θc !>#: VHS at $=# !<#: two VHS at !=# • two Fermi contours touch tangentially. • appear generally under tuning band.
Van Hove points are special points in the energy dispersion, where the density of states exhibits analytic singularities. When a Van Hove point ...
We introduce a new type of van Hove singularity in two dimensions, resulting from high-order saddle points and exhibiting power-law divergent ...
CMSA Condensed Matter/Math Seminar: Supermetal from a high-order Van Hove singularity. CMSA EVENTS. View Calendar. May 28, 2020 10:30 am - 12: 00 ...
pressure, and trilayer graphene by applying vertical electric field. Correlation effects from high-order van Hove singularity near Fermi level are also discussed.