Nonpower `spectral' perturbation expansion in QFT

DOI10.1023/A:1007517310420zbMATH Open0952.81021MaRDI QIDQ1306780

D. V. Shirkov

Publication date: 15 January 2001

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

zbMATH Keywords

renormalization groupanalytic invariant couplingasymptotic expansion à la ErdélyiKällén-Lehmann analyticity

Mathematics Subject Classification ID

Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) Strong interaction, including quantum chromodynamics (81V05) Nonperturbative methods of renormalization applied to problems in quantum field theory (81T16) Renormalization group methods applied to problems in quantum field theory (81T17)

Related Items (3)

Non-linear trans-Planckian corrections of spectra due to the non-trivial initial states ⋮ Negative power spectra in quantum field theory ⋮ The Use of Power Expansions in Quantum Field Theory

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