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arxiv: 1205.5860 · v2 · pith:WSBOZBXInew · submitted 2012-05-26 · 🧮 math-ph · hep-th· math.MP· quant-ph

Quasi-Hermitian Hamiltonians associated with exceptional orthogonal polynomials

classification 🧮 math-ph hep-thmath.MPquant-ph
keywords alphahamiltoniansassociatedexceptionalorthogonalpolynomialsboundcanonical
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Using the method of point canonical transformation, we derive some exactly solvable rationally extended quantum Hamiltonians which are non-Hermitian in nature and whose bound state wave functions are associated with Laguerre- or Jacobi-type $X_1$ exceptional orthogonal polynomials. These Hamiltonians are shown, with the help of imaginary shift of co-ordinate: $ e^{-\alpha p} x e^{\alpha p} = x+ i \alpha $, to be both quasi and pseudo-Hermitian. It turns out that the corresponding energy spectra is entirely real.

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