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DFTULevel

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Section Hamiltonian::XC
Type integer
Default no

This variable selects which DFT+U expression is added to the Hamiltonian.

Options:

dft_u_none:
No +U term is not applied.
dft_u_empirical:
An empiricial Hubbard U is added on the orbitals specified in the block species with hubbard_l and hubbard_u
dft_u_acbn0:
Octopus determines the effective U term using the ACBN0 functional as defined in PRX 5, 011006 (2015)

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