[Pw_forum] question about the exchange correlation function

[Shaorui Sun]

Dear all:
     In the pw calculation, Is it necessary to set the exchange-correlation function as same as that in the pseudopotential?

Best Regards!
                        S. R. Sun
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Beijing Synchrotron Radiation Facility
Institute of High Energy Physics
Chinese Academy of Sciences
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email:sunsr at ihep.ac.cn