Article: Data on physics described by A.P. Zhang et al.

"The energy eigenvalues and eigenfunctions of the Schrodinger equation for Eckart potential as well as the parity-time-symmetric version of the potential in three dimensions with the centrifugal term are investigated approximately by using the Nikiforov-Uvarov method," researchers in Xian, People's Republic of China report.

"To show the accuracy of our results, we calculate the energy eigenvalues for various values of n and l. It is found that the results are in good agreement with the numerical solutions for short-range potential (large a)," wrote A.P. Zhang and colleagues.

The researchers concluded: "For the case of 1/a double right arrow i/a, the ...

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