Annales Henri Poincaré

, Volume 16, Issue 1, pp 99–112 | Cite as

The Real Spectrum of the Imaginary Cubic Oscillator: An Expository Proof

  • Ilario Giordanelli
  • Gian Michele GrafEmail author


We give a partially alternate proof of reality of the spectrum of the imaginary cubic oscillator in quantum mechanics.


Riemann Surface Simple Eigenvalue Real Spectrum Polygonal Chain Maximum Modulus Principle 
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Copyright information

© Springer Basel 2014

Authors and Affiliations

  1. 1.Theoretische PhysikETH ZurichZurichSwitzerland

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