Table 1 Parameters of the Lorentz model for the dielectric function.

From: Femtosecond exciton dynamics in WSe2 optical waveguides

 

δεstat

δN

δE (meV)

Equilibrium

0

0

0

Δt = 1 ps

0.6

0.12

−0.5

Δt = 0

0.5

0.09

7