PT symmetric pseudo-perturbation recipe; an imaginary cubic oscillator with spikes
classification
🧮 math-ph
math.MPmath.SP
keywords
pseudo-perturbationpt-symmetricalphaapplicableattentionboundconstructioncontext
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The pseudo-perturbation shifted-l expansion technique PSLET is shown applicable in the non-Hermitian PT-symmetric context. The construction of bound states for several PT-symmetric potentials is presented, with special attention paid to V(r) = ir^3-alpha sqrt(ir) oscillators.
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