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Self-similar features around spectral singularity in complex barrier potential
Mohammad Hasan, Bhabani Prasad Mandal
The spectral singularity (SS) from a non-Hermitian potential is one of the most remarkable scattering feature of non-Hermitian quantum mechanics. At the spectral singular point, th…
New scattering features of quaternionic point interaction in non-Hermitian quantum mechanics
Mohammad Hasan, Bhabani Prasad Mandal
The spectral singularity have been extensively studied over the last one and half decade for different non-Hermitian potentials in non-Hermitian quantum mechanics. The nature of sp…
Hartman-Fletcher effect for array of complex barriers
Ananya Ghatak, Mohammad Hasan, Bhabani Prasad Mandal
We calculate the time taken by a wave packet to tunnel through a series of complex barrier potentials using stationary phase method to show its saturation (Hartman-Fletcher effect)…