Modified δ expansion for nonlinear problems

DOI10.1098/RSPA.1991.0133zbMath0762.34034OpenAlexW2100176576MaRDI QIDQ3982079

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Publication date: 26 June 1992

Published in: Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1098/rspa.1991.0133

zbMATH Keywords

perturbation theorySchrödinger equationmodel field theories\(\delta\) expansion method

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Perturbations in context of PDEs (35B20) Perturbations, asymptotics of solutions to ordinary differential equations (34E10) Stochastic quantization (81S20)

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