If I am using the pair_style hybrid/overlay command, may I know what is the appropriate format for specifying the pair coefficients in the ‘PairIJCoeffs’ section of the data file? The doc page for read_data states that this section must have N*(N+1)/2 lines where N = # of atom types. However, this would only allow a single pair style to be specified for each pair of atom types. Does this mean that pair coefficients can only be specified in the input script for pair_style hybrid/overlay ?
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