Overlooked Degree of Freedom in Steepest Descent Method: Steepest Descent Method Corresponding to Divergence-Free WKB Method

DOI10.1143/PTP.122.1347zbMath1196.41021MaRDI QIDQ3551465

Tadanori Hyouguchi, Satoshi Adachi, Ryohei Seto

Publication date: 15 April 2010

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

zbMATH Keywords

asymptotic expansionssteepest descent methoddivergence-free WKB method

Mathematics Subject Classification ID

Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) Series expansions (e.g., Taylor, Lidstone series, but not Fourier series) (41A58) Appell, Horn and Lauricella functions (33C65)

Related Items (1)

WKB and “cubic-WKB” methods as an adiabatic approximation

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