Relativistic potentials with rational extensions

@article{Haritha2019RelativisticPW,
  title={Relativistic potentials with rational extensions},
  author={K. Haritha and K V S Shiv Chaitanya},
  journal={Pramana},
  year={2019},
  volume={94},
  pages={1-9}
}
In this paper, we construct isospectral Hamiltonians without shape-invariant potentials for the relativistic quantum mechanical potentials such as the Dirac oscillator and hydrogen-like atom. 
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