[Wien] Which exchange funtional used in CA-LDA?

[Hu Qingmiao]

Dear Wien User,

May be a silly question. The LSDA functional CA-LDA in
Wien2K is parameterized by Perdew-Wang 92. As I
understand, Perdew-Wang 92 gave only the correlation
funtional. So, which exchange funtional is used in
CA-LDA? Slater, Perdew-Wang 91, or something else?

Thanks in advance.

Lu

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