Abstract
In this work, we have extended the factorization method of scalar shape-invariant Schrödinger Hamiltonians to a class of Dirac-like matrix Hamiltonians. The intertwining operators of the Schrödinger equations have been implemented in the Dirac-like shape invariant equations. We have considered also another kind of anti-intertwining operators changing the sign of energy. The Dirac-like Hamiltonians can be obtained from reduction of higher dimensional spin systems. Two examples have been worked out, one obtained from the sphere \({{\mathcal {S}}}^2\) and a second one, having a non-Hermitian character, from the hyperbolic space \({{\mathcal {H}}}^2\).
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Acknowledgements
This work was partially supported by Junta de Castilla y León (BU229P18) and by Ankara University BAP No. 20L0430005. D. Demir Kızılırmak acknowledges Ankara Medipol University.
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Kızılırmak, D.D., Kuru, Ş. & Negro, J. Dirac-like Hamiltonians associated to Schrödinger factorizations. Eur. Phys. J. Plus 136, 668 (2021). https://doi.org/10.1140/epjp/s13360-021-01642-2
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DOI: https://doi.org/10.1140/epjp/s13360-021-01642-2