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Originally Posted by Markus74  Quantum physics doesn't alter our traditional physics. |
It does not. It seems frightening to think so, but quantum physics is fully consistent with Newtonian physics (or "traditional" physics, as you put it). In fact quantum physics developed mainly out of attempts to explain certain peculiarities in Newtonian physics.
This may be helpful:
2. Some Basic Ideas about Quantum Mechanics Until the closing decades of the last century the physical world, as studied by experiment, could be explained according to the principles of classical (or Newtonian) mechanics: the physics of everyday life. By the turn of the century, however, the cracks were beginning to show and the disciplines of Relativity and Quantum Mechanics were developed to account for them. Relativity came first, and described the physics of very massive and very fast objects, then came Quantum Mechanics in the 1920's to describe the physics of very small objects.
Neither of these theories provide an easy intuitive picture of the world, since they contradict the predictions of familiar Newtonian Mechanics in the regimes for which they were developed. Nevertheless, both schemes reproduce the Newtonian results when applied to the everyday world. In seeking to understand the physics of semiconductors at an atomic level we must start from a Quantum Mechanical viewpoint, since the entities with which we will be dealing (electrons, atoms, etc) are so very small....
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