r/><i>Section</i>: Time-Dependent::Absorbing Boundaries
<br/><i>Type</i>: float
<br/><i>Default</i>: 0.4 a.u.
<br/><br> Width of the region used to apply the absorbing boundaries.

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<p><b><a name='AbsorbingBoundaries'></a>AbsorbingBoundaries</b>
<br/><i>Section</i>: Time-Dependent::Absorbing Boundaries
<br/><i>Type</i>: integer
<br/><i>Default</i>: not_absorbing
<br/><br> To improve the quality of the spectra by avoiding the formation of
 standing density waves, one can m