## The Role Of Space And Time In Non-Relativistic Quantum Physics

**Authors:** Rafael-Andrés Alemañ-Berenguer

Since the very begining of quantum theory there started a debate on the proper role of
space and time in it. Some authors assumed that space and time have their own algebraic operators.
On that basis they supposed that quantum particles had "coordinates of position", even though
those coordinates were not possible to determine with infinite precision. Furthermore, time in
quantum physics was taken to be on an equal foot, by means of a so-called "Heisenberg's fourth
relation of indeterminacy" concerning time and energy. In this paper, the proper role of space
and time in the core of non-relativistic quantum phsysics is analyzed. We will find that,
rigorously, that relation for time and energy shows a different root. For the role of space,
it will be discussed that there is no "coordinate of position" in the conceptual structure of
quantum physics because quantum particles are not point-like objects.

**Comments:** 10 pages

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### Submission history

[v1] 10 Jul 2009

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