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\(\mathcal{PT}\)-symmetric versus Hermitian formulations of quantum mechanics. (English) Zbl 1085.81010


MSC:

81P05 General and philosophical questions in quantum theory
81Q15 Perturbation theories for operators and differential equations in quantum theory
81Q05 Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics
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