Perturbation theory for arbitrary coupling strength?

DOI10.1142/S0217732318500372zbMath1383.81088arXiv1607.01510OpenAlexW2964199687MaRDI QIDQ4608737

Bimal P. Mahapatra, Noubihary Pradhan

Publication date: 23 March 2018

Published in: Modern Physics Letters A (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1607.01510

zbMATH Keywords

mean-field approximationBorel summabilitydouble-well oscillatoranharmonic interactionperturbation theory for arbitrary strength

Mathematics Subject Classification ID

Perturbation theories for operators and differential equations in quantum theory (81Q15)

Cites Work

• Multi-instantons and exact results. I: conjectures, WKB expansions, and instanton interactions
• A convergent set of integral equations for singlet proton-proton scattering
• A NEW GENERAL APPROXIMATION SCHEME IN QUANTUM THEORY: APPLICATION TO THE ANHARMONIC AND THE DOUBLE WELL OSCILLATORS
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