Figure 2 - Quantum square-well with logarithmic central spike

The coupling-dependence of the low-lying spectrum in the Rayleigh-Schrödinger first order (i.e., linear-extrapolation) approximation.

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Reference

Quantum square-well with logarithmic central spike - Scientific Figure on ResearchGate. Available from: https://www.researchgate.net/figure/The-coupling-dependence-of-the-low-lying-spectrum-in-the-Rayleigh-Schroedinger-first-order_fig1_321745351 [accessed 13 Jun 2025]

Caption

Figure 2: The coupling-dependence of the low-lying spectrum in the Rayleigh-Schrödinger first order (i.e., linear-extrapolation) approximation.

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<a href="https://www.researchgate.net/figure/The-coupling-dependence-of-the-low-lying-spectrum-in-the-Rayleigh-Schroedinger-first-order_fig1_321745351"><img src="https://www.researchgate.net/profile/Miloslav-Znojil/publication/321745351/figure/fig1/AS:570585899114496@1513049687375/The-coupling-dependence-of-the-low-lying-spectrum-in-the-Rayleigh-Schroedinger-first-order.png" alt="The coupling-dependence of the low-lying spectrum in the Rayleigh-Schrödinger first order (i.e., linear-extrapolation) approximation."/></a>