Abstract
The description of space-time in aquantum-theoretic framework must be considered as afundamental problem in physics. Most attempts start withan already given classical space-time, then thequantization is done. In contrast to this, the centralassumption in this paper is not to start withspace-time, but to derive it from some more abstractpresuppositions as done in Von Weizsacker's quantumtheory of ur-alternatives. Mathematically, the transitionfrom a manifold with spin structure to a manifold withfour real space-time coordinates has to be considered.The suggestion is made that this transition can be well described by using a tetradialformalism which appears to be the most naturalconnection between ur-spinors and realfour-vectors.
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Lyre, H. Quantum Space-Time and Tetrads. International Journal of Theoretical Physics 37, 393–400 (1998). https://doi.org/10.1023/A:1026643523961
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DOI: https://doi.org/10.1023/A:1026643523961