User Tools

Site Tools


faq:kpoints

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
Next revisionBoth sides next revision
faq:kpoints [2016/01/21 10:26] – [Restrictions] 130.60.136.208faq:kpoints [2016/11/15 13:22] 129.215.62.120
Line 1: Line 1:
 ====== Which features are working with k-point sampling in CP2K? ====== ====== Which features are working with k-point sampling in CP2K? ======
  
-Since CP2K 3.0 (Dec 2015) and it is possible to carry out DFT calculations with multiple k-points in CP2K.  However, there are several features / combinations that are not yet implemented.  This page summarises what is known to work and what is not...+Since CP2K 3.0 (Dec 2015) it is possible to carry out DFT calculations with multiple k-points in CP2K.  However, there are several features / combinations that are not yet implemented.  This page summarises what is known to work and what is not...
  
 ==== Working Functionality ==== ==== Working Functionality ====
Line 8: Line 8:
   * Forces and stresses are implemented (but not well tested).  In principle geometry/cell optimisation and MD should work (see restrictions below).   * Forces and stresses are implemented (but not well tested).  In principle geometry/cell optimisation and MD should work (see restrictions below).
   * MONKHORST-PACK, MACDONALD and GENERAL explicit k-point grids may be used   * MONKHORST-PACK, MACDONALD and GENERAL explicit k-point grids may be used
 +  * Printing of eigenvalues per k-point / band structures is not yet implemented
  
 ==== Restrictions ==== ==== Restrictions ====
  
-  * Printing of eigenvalues per k-point / band structures is not yet implemented 
   * Propagation of the wavefunctions/density is not implemented (so [[inp>FORCE_EVAL/DFT/QS.html#EXTRAPOLATION|EXTRAPOLATION]] should be USE_GUESS )   * Propagation of the wavefunctions/density is not implemented (so [[inp>FORCE_EVAL/DFT/QS.html#EXTRAPOLATION|EXTRAPOLATION]] should be USE_GUESS )
   * MO derivatives are not available - i.e. OT with k-points is not supported, only DIAGONALIZATION.   * MO derivatives are not available - i.e. OT with k-points is not supported, only DIAGONALIZATION.
   * Only FULL_GRIDs of kpoints may be used, no reduction due to symmetry is supported.   * Only FULL_GRIDs of kpoints may be used, no reduction due to symmetry is supported.
faq/kpoints.txt · Last modified: 2020/08/21 10:15 by 127.0.0.1