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³õѧVASP(Ò») what's it?

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ftp://10.76.120.7/pub/Èí¼þʹÓýéÉÜ/VASP.pdf
http://cms.mpi.univie.ac.at/vasp/vasp/vasp.html

VASP = Vienna Ab-initio Simulation Package

VASP is a complex package for performing ab-initio quantum-mechanical
molecular dynamics (MD) simulations using pseudopotentials (È糬ÈíØÍÊÆUS-PP)
or the projector-augmented wave (PAW) method and a plane wave basis set.

The approach implemented in VASP is based on the (finite-temperature)
local-density approximation with the free energy as variational quantity
and an exact evaluation of the instantaneous electronic ground state at
each MD time step.

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