On the connection between perturbation theory and new semiclassical expansion in quantum mechanics
DOI10.1016/J.NUCLPHYSB.2023.116117OpenAlexW4321213210MaRDI QIDQ2691921
Edward V. Shuryak, Alexander~V. Turbiner
Publication date: 30 March 2023
Published in: Nuclear Physics. B (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2102.04623
Path integrals in quantum mechanics (81S40) Nonlinear oscillations and coupled oscillators for ordinary differential equations (34C15) 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) Applications of vector bundles and moduli spaces in mathematical physics (twistor theory, instantons, quantum field theory) (14D21) Quantum state spaces, operational and probabilistic concepts (81P16) Tunneling in quantum theory (81U26)
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