A connected-graph expansion of the anharmonic-oscillator propagator

DOI10.1088/0305-4470/27/2/040zbMath0826.58045OpenAlexW2007365041MaRDI QIDQ4836583

R. A. Corns

Publication date: 19 June 1995

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

Full work available at URL: https://doi.org/10.1088/0305-4470/27/2/040

zbMATH Keywords

series representationssemiclassical expansionsanharmonic-oscillator propagatorphase-space perturbation

Mathematics Subject Classification ID

Applications of global analysis to the sciences (58Z05) Perturbation theories for operators and differential equations in quantum theory (81Q15) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20) Phase-space methods including Wigner distributions, etc. applied to problems in quantum mechanics (81S30)

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