Which phenomenon causes blurring in quantum mechanical simulations of molecular dynamics when using coarse-grained wave functions?

💡 Explanation

When coarse-grained wave functions are used, the uncertainty principle dominates because position and momentum are not precisely defined resulting in localization errors which causes blurring. Therefore the approximations based on the uncertainty principle create blurring, rather than effects associated Hamiltonian reductions which focus on energy state selection.

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