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VASP_XDATCAR

A python class for parsing VASP XDATCAR from molecular dynamics.

The XDATCAR file contains the trajectory during a molecular dynamics run, i.e. the positions of all the atoms at each time step. From this information, we may calculate the following physical quantity

  1. the time-dependent temperature of the system
  2. Velocity Autocorrelation Function (VAF) and Phonon Density of States
  3. Pair Correlation Function (PCF)

NOTES

Set NBLOCK = 1 in the INCAR so that all the configuration in the MD run is
wrtten to XDATCAR.

The element mass (POMASS) and the MD time step (POTIM) is read from OUTCAR.