WANG LINMAO
Articles written in Pramana – Journal of Physics
Volume 86 Issue 5 May 2016 pp 965-972 Regular
XIE QIONGTAO YAN LINA WANG LINMAO FU JUN
We investigate both the non-Hermitian parity–time-(PT-)symmetric and Hermitianasymmetric volcano potentials, and present the analytical solution in terms of the confluent Heun function. Under certain special conditions, the confluent Heun function can be terminated as a polynomial, thereby leading to certain exact analytical results. It is found that the non-Hermitian PTsymmetric volcano potentials support the normalizable and non-normalizable reflectionless stateswith real energies. The Hermitian asymmetric volcano potentials allow normalizable reflectionless states with complex energies.
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