δ expansion for a quantum field theory in the nonperturbative regime

DOI10.1063/1.528975zbMath0726.58060OpenAlexW2055317422MaRDI QIDQ3350359

L. M. jun. Simmons, Kimball A. Milton, Stephen Pinsky, Carl M. Bender

Publication date: 1990

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

Full work available at URL: https://doi.org/10.1063/1.528975

zbMATH Keywords

series expansionquantum field theoryrenormalizationGreen functionLagrangian functionFourier transformationnonperturbative technique

Mathematics Subject Classification ID

Applications of global analysis to the sciences (58Z05) Nonperturbative methods of renormalization applied to problems in quantum field theory (81T16)

Related Items (2)

Analytical solutions to a quasilinear differential equation related to the Lane-Emden equation of the second kind ⋮ Asymptotic behavior of the evolution operator kernel expansion in powers of the time interval \(\Delta t\)

Cites Work

• New perturbative approximation applied to a self-interacting scalar field theory
• The delta expansion in zero dimensions
• Evaluation of Feynman diagrams in the logarithmic approach to quantum field theory
• A new perturbative approach to nonlinear problems

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