[Pw_forum] mixing_mode: "local-TF" and "TF".

[Paolo Giannozzi]

Jiayu Dai wrote:

> i found that the mixing_mode of local-TF and TF can improve the 
> convergence greatly.[...] Are there any references about it?

there is some explanation in the paper describing QE:
J. Phys.: Condens. Matter 21, 395502 (2009). The relevant
reference is D. Raczkowski, A. Canning, and L. W. Wang,
Phys. Rev. B64, R121101 (2001)

P.
-- 
Paolo Giannozzi, Democritos and University of Udine, Italy