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# HILLS W

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HILLS_W = [Real]
Default: HILLS_W = ${\displaystyle 10^{{-3}}}$

Description: HILLS_W specifies the width of the Gaussian hill (in units of the corresponding collective variable) used in metadynamics (in case VASP was compiled with -Dtbdyn).

In metadynamics (MDALGO=11 | 21), the parameters for bias potential (HILLS_H, HILLS_W, and HILLS_BIN) must be provided by the user.

The width of the Gaussian hills (in units of the corresponding collective variable) used in the metadynamics is set by means of the HILLS_W-tag.