Dear WIEN2k users; I made an optimization of a magnetic compound with the two funtional (GGA-PBE and PBEsol) while keeping the same input parameters (RMT, RKmax, ... etc).
Optimization with GGA-PBEsol gave me a antiferromagnetic behavior while that of PBE gave me a ferromagnetic behavior. I ask you to explain to me why this difference and which of the two functional is right. Thank you in advance.
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