Stoica, Ovidiu Cristinel
(2024)
Why the wavefunction already is an object on space.
[Preprint]
Abstract
Since the discovery of quantum mechanics, the fact that the wavefunction is defined on the 3n-dimensional configuration space rather than on the $3$-dimensional space seemed uncanny to many, including Schrödinger, Lorentz, and Einstein. Even today, this continues to be seen as an important problem in the foundations of quantum mechanics.
In this article it will be shown that the wavefunction already is a genuine object on space. While this may seem surprising, the wavefunction has no qualitatively new features that were not previously encountered in the objects known from Euclidean geometry and classical physics. This will be shown to be true also in Felix Klein's Erlangen Program. This fits naturally in the classification of quantum particles by the representations of the spacetime isometries realized by Wigner and Bargmann, adding another layer of confirmation. Once we realize that all quantum experiments take place in space, they can be interpreted naturally and consistently with the wavefunction being an object on space.
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Why the wavefunction already is an object on space. (deposited 14 Feb 2024 03:18)
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