[CP2K-user] [CP2K:22287] Problem with WAVELET Poisson solver for periodic 2D systems

[Riccardo Pezzetta]

Dear CP2K community,
I used the Poisson solver WAVELET, with PERIODIC XY and I wrote  PREFERRED_FFT_LIBRARY 
FFTSG in the GLOBAL section. I am using the last version of CP2K (2026.1), 
but still it does not work and in the output I see 
"Poisson solver for this periodicity not yet implemented".
I have attached my input in the email. Can someone explain me why it does 
not work please? Thank you in advance.
Best regards,

Riccardo Pezzetta

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