Günter Scharf in nLab

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Selected writings

Scharf pioneered the application of causal perturbation theory to the rigorous construction of perturbative quantum field theories:

In his book

• Finite Quantum Electrodynamics – The Causal Approach, Springer 1995

he discusses quantum electrodynamics this way, and in

• Quantum Gauge Theories – A True Ghost Story, Wiley 2001

he discusses Yang-Mills theory, hence electroweak theory and quantum chromodynamics as well as perturbative quantum gravity.

On vacua/ground states of the free Dirac field in a Coulomb background field:

• Martin Klaus, Günter Scharf, The regular external field problem in quantum electrodynamics, Helv. Phys. Acta 50 (1977) $[$doi:10.5169/seals-114890$]$

related $n$Lab entries

• causal perturbation theory

• locally covariant perturbative quantum field theory

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