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20032021
most citedSpectral singularity and deep multiple minima in the reflectivity in non-Hermitian (complex) Ginocchio potential

19 citations · 60 across the 14 of their papers we have counts for

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Showing 2014Show all

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quant-ph2014

Real discrete spectrum in the complex non-PT-symmetric Scarf II potential

Zafar Ahmed, Joseph Amal Nathan

Hitherto, it is well known that complex PT-symmetric Scarf II has real discrete spectrum in the parametric domain of unbroken PT-symmetry. We reveal new interesting complex, non-PT…

quant-ph2014

Transparency of the PT-symmetric complex potentials for coherent injection

Zafar Ahmed, Joseph Amal Nathan, Dona Ghosh

Two port s-matrix for a complex PT-symmetric potential may have uni-modular eigenvalues. If this happens for all energies, there occurs a perfect emission of waves at both ends. We…