However any classical picture of the situation breaks down completely here.
2.
While intuitive, this classical picture does not take into account the quantum mechanical energy levels of the molecule.
3.
It shows that nature violates the most general assumptions behind classical pictures, not just details of some particular models.
4.
In the classical picture of thermodynamics, kinetic energy vanishes at zero temperature and the internal energy is purely potential energy.
5.
Superimposed on this classical picture, however, are quantum-mechanical effects, which can be described using the nuclear shells are filled.
6.
Plasmons can be described in the classical picture as an oscillation of free electron density with respect to the fixed positive ions in a metal.
7.
:The classical picture of the moving and reflecting particle is only obtained when the beam width is much larger than the wavelength, the so-called geometric optics limit.
8.
Without knowing the solution to this problem, physicists resorted to a semi-classical picture of localized electrons that, given a certain energy, were able to percolate through the disorder.
9.
Since the proposed reaction rates for the classical ion rearrangements are slower than the Raman timescale, one would expect the Raman spectra to indicate a less symmetric species if the classical picture were correct.
10.
Together with Professor Ronald Gillespie, Nyholm developed the VSEPR concept, which emphasized classical pictures of bonding, adapted to include features of quantum theory, but focusing on electron clouds of varying density within a probability envelope.
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