Soft condense matter & quantum mechanics

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SUMMARY

The discussion centers on the application of quantum mechanics (QM) in the field of molecular dynamics within condensed matter physics. It is established that while classical interactions are often utilized, quantum molecular dynamics is essential for accurately simulating atomic and molecular interactions. The Car-Parrinello technique is highlighted as a prominent method for implementing quantum molecular dynamics, with resources available through the CPMD code.

PREREQUISITES
  • Understanding of molecular dynamics simulations
  • Familiarity with quantum mechanics principles
  • Knowledge of the Car-Parrinello technique
  • Basic proficiency in using CPMD software
NEXT STEPS
  • Research the Car-Parrinello technique in detail
  • Explore the CPMD software documentation and tutorials
  • Study the role of quantum mechanics in molecular interactions
  • Investigate other quantum molecular dynamics methods
USEFUL FOR

Researchers in condensed matter physics, computational chemists, and anyone involved in molecular dynamics simulations seeking to integrate quantum mechanics into their work.

markoX
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Hi,
One of the fields of condense matter is molecule dynamics.I want to know does quantum mechanics use in this field?
I think just classical interaction is considered between molecules in molecule dynamics.

Thanks
 
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Depending on the nature of the system that is being simulated, the algorithm may be more or less classical. There are definitely cases when you may need to use QM, especially to design the atomic/molecular interaction or potential function.
 
I think typically when people do quantum molecular dynamics they use the Car-Parinello technique. There's a code available here: http://www.cpmd.org/cpmd.html but I've never used it so I can't comment on it.
 
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