Abstract
We present a new approach to the unification of gravity and non-Abelian gauge fields in the framework of Kaluza-Klein theory. It consists in introducing a new connection on the (n + 4)-dimensional manifoldP (metrized principal fiber bundle). This connection is metrical, but with nonvanishing torsion. An enormous cosmological term in the Einstein equations vanishes due to this connection. The new connection simultaneously cancels Planck's mass term in the Dirac equation for the five-dimensional case. The usual interpretation of geodesic equations is still valid.
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Kalinowski, M.W. Vanishing of the cosmological constant in non-Abelian Kaluza-Klein theories. Int J Theor Phys 22, 385–396 (1983). https://doi.org/10.1007/BF02083285
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DOI: https://doi.org/10.1007/BF02083285