In this survey article, we explain a few ideas behind the fermionic projector approach and summarize recent results which clarify the connection to quantum field theory. The fermionic projector is introduced, which describes the physical system by a collection of Dirac states, including the states of the Dirac sea. Formulating the interaction by an action principle for the fermionic projector, we obtain a consistent description of interacting quantum fields which reproduces the results of perturbative quantum field theory. We find a new mechanism for the generation of boson masses and obtain small corrections to the field equations which violate causality. © 2011 Springer.
CITATION STYLE
Finster, F. (2011). A Formulation of Quantum Field Theory Realizing a Sea of Interacting Dirac Particles. Letters in Mathematical Physics, 97(2), 165–183. https://doi.org/10.1007/s11005-011-0473-1
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