# LDOutput

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#### LDOutput

Section Utilities::oct-local_multipoles
Type flag
Default multipoles

Defines what should be output during the local domains simulation. Many of the options can increase the computational cost of the simulation, so only use the ones that you need. In most cases the default value is enough, as it is adapted to the details.

Options:

• multipoles:
Outputs the (electric) multipole moments of the density to the file ld.general/multipoles. This is required to, e.g., calculate optical absorption spectra of finite systems. The maximum value of $l$ can be set with the variable LDMultipoleLmax.
• density:
If set, octopus outputs the densities corresponding to the local domains to the folder ld.general/densities. The output format is set by the LDOutputFormat input variable.
• local_v:
If set, octopus outputs the different components of the potential to the folder ld.general/potential. The output format is set by the LDOutputFormat input variable.
• energy:
If set, octopus outputs the different components of the energy of the local domains to the folder ld.general/energy.

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