TY - JOUR AU - Fernández-Rañada, Antonio PY - 1972 DO - 10.1063/1.1666035 SN - 0022-2488 UR - https://hdl.handle.net/20.500.14352/64919 T2 - Journal of Mathematical Physics AB - The generalized covariant Dirac equation for a certain five‐dimensional universe is studied. If a torsion invariant is included in the free Lagrangian, it is shown that particlelike stable solutions exist having definite positive rest energy, spin,... M2 - 671 PB - American Institute of Physics TI - Elementary spinorial excitations in a model universe TY - journal article VL - 13 ER -