What is xc hfexch ?


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Dear All,

What is xc hfexch in NWChem? Is it DFT with Optimized Effective Potential (OEP)?

If yes, what is the level of the omplementation of OEP?
The full OEP requires the evaluation of the nonlocal operator and the density-response function
and the inversion of the latter. Is it being done with xc hfexch ?

Thank you.
Vladimir.


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