Light-cone expansion of the Dirac sea in the presence of chiral and scalar potentials

DOI10.1063/1.1290379zbMath0971.81102arXivhep-th/9809019OpenAlexW3105542949MaRDI QIDQ2738211

Felix Finster

Publication date: 30 August 2001

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/9809019

zbMATH Keywords

Dirac equationFeynman diagramsfermionic projectorDirac seanegative energy solutionsadvanced and retarded Green's functionslight cone expansionpseudoscalar potentials

Mathematics Subject Classification ID

Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Perturbative methods of renormalization applied to problems in quantum field theory (81T15) Feynman diagrams (81T18) Electromagnetic interaction; quantum electrodynamics (81V10)

Related Items (10)

The fermionic projector in a time-dependent external potential: Mass oscillation property and Hadamard states ⋮ Singularities of dual hypersurfaces and hyperbolic focal surfaces along spacelike curves in light cone in Minkowski 5-space ⋮ The causal action in Minkowski space and surface layer integrals ⋮ Spacelike submanifolds of codimension two in anti-de Sitter space ⋮ A gauge fixing procedure for causal fermion systems ⋮ Lightcone dualities for curves in the lightcone unit 3-sphere ⋮ The fermionic signature operator and Hadamard states in the presence of a plane electromagnetic wave ⋮ Perturbative description of the fermionic projector: Normalization, causality, and Furry's theorem ⋮ Singularities of indefinite hypersurfaces and indefinite surfaces along timelike curves in nullcone with index two ⋮ The causal perturbation expansion revisited: Rescaling the interacting Dirac sea

Cites Work

• Definition of the Dirac sea in the presence of external fields

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