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Fisher and Shannon information entropies for a noncentral inversely quadratic plus exponential Mie-type potential
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作者 Ituen B okon Cecilia N Isonguyo +2 位作者 Akaninyene D Antia Akpan N Ikot oyebola o popoola 《Communications in Theoretical Physics》 SCIE CAS CSCD 2020年第6期43-56,共14页
In this work,we determine the Fisher and Shannon entropies,the expectation values and the squeeze state for a noncentral inversely quadratic plus exponential Mie-type potential analytically.The proposed potential is s... In this work,we determine the Fisher and Shannon entropies,the expectation values and the squeeze state for a noncentral inversely quadratic plus exponential Mie-type potential analytically.The proposed potential is solved under the Schr?dinger equation using a special Greene Aldrich approximation to the centrifugal term to obtain a normalised wave function within the framework of the Nikiforov–Uvarov method.Numerical results are obtained for different screening parameters:α?=?0.1,0.12 and 0.13 for varying real constant parameter(B).The numerical solutions are obtained only for ground state.The numerical results of Fisher entropy both for position and momentum spaces are in good agreement with existing literature.The normalisation constant,wave function,and probability density plots are carried out using a well designed Mathematica algorithm.The Fourier transform of position space entropy gives the momentum space entropy. 展开更多
关键词 Fisher and Shannon entropies Schr?dinger equation expectation values Nikiforov–Uvarov method
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