IPEAD: Difference between revisions

From VASP Wiki
No edit summary
No edit summary
Line 12: Line 12:
----
----


[[Category:INCAR tag]][[Category:Dielectric Properties]][[Category:Berry phases]]
[[Category:INCAR tag]][[Category:Linear response]][[Category:Dielectric properties]][[Category:Berry phases]]

Revision as of 07:58, 19 July 2022

IPEAD = 1 | 2 | 3 | 4
Default: IPEAD = 4 

Description: IPEAD specifies the order of the finite difference stencil used to compute the derivative of the cell-periodic part of the orbitals w.r.t. k, |∇kunk⟩ (LPEAD=.TRUE.), and the derivative of the polarization w.r.t. the orbitals, δP/δ⟨ψnk| for (LCALCEPS=.TRUE., or EFIELD_PEAD0).


Related tags and articles

LPEAD, LCALCEPS, EFIELD_PEAD, Berry phases and finite electric fields

Examples that use this tag