[QE-users] on-site attraction in DFT+U

[Mpayami]

Dear QE Developers,

Hi.
I noticed that in QE-6.4.1, it is possible to apply an on-site "attraction" (U<0) for Hubbard correction in DFT+U, but in QE-7.1, the code accepts only on-site "repulsion" (U>0). Is there a philosophy behind this change?
Thanks in advance.

Best regards,


Mahmoud Payami
NSTRI, AEOI
Tehran, Iran
Email: mpayami at aeoi.org.ir
Phone: +98(0)2182066504
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