Convergence of the Schwinger-DeWitt expansion for some potentials

DOI10.1023/A:1026636717117zbMath0904.34067arXivhep-th/9703169MaRDI QIDQ1266073

V. A. Slobodenyuk

Publication date: 1998

Published in: International Journal of Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/9703169

zbMATH Keywords

Schrödinger equationevolution operatorpotentialsSchwinger-DeWitt expansion

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20)

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