Dear CP2K users/developers,<div><br></div><div>I have been using CP2K to compute excited states with TDDFPT, so far using KERNEL FULL with PBE0 functional.</div><div><br></div><div>I made some tests with STDA and I have some questions with respect to the default parameters. So far I used KERNEL STDA including:</div><div>&STDA</div><div>FRACTION 0.25</div><div>&END</div><div><br></div><div>I was wondering if I should be changing/tuning any other parameter besides the TB HF fraction to get better estimates. For instance so far I used the MATAGA_NISHIMOTO default values but it is said in the manual that they are method dependent.</div><div><br></div><div>Could anyone tell me a little bit more about this?</div><div><br></div><div>Many thanks in advance,</div><div><br></div><div>Maria <br><div><br></div><div><br></div></div>
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