Some remarks on Dirac's equation in the Tolman-Bondi geometry
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The Tolman-Bondi model is studied and integrated via the Newman-Penrose formalism. The results are used to discuss the Dirac equation. It is shown that there exist time regions during which the cosmological background can be considered fixed and the Dirac equation separated and reduced in a standard way to a one-dimensional wave equation.
KeywordsField Theory Elementary Particle Quantum Field Theory Wave Equation Dirac Equation
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