Dimensional reduction of the Dirac equation in arbitrary ...

324 Page 2 of 15 Eur. Phys. J. Plus (2023) 138:324 Dirac himself had noticed the possibility of casting his equation in a different spacetime. According to his own recollection [5], in 1928 he was still pursuing a relativistic equation for the electron. He considered the Klein–Gordon equation unsatisfactory to ................
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