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Quantum mechanical treatment of Shannon entropy measure and energy spectra of selected diatomic molecules with the modified Kratzer plus generalized inverse quadratic Yukawa potential model | ||
Journal of Theoretical and Applied Physics | ||
مقاله 5، دوره 17، شماره 4، آذر و دی 2023 | ||
نوع مقاله: Scientific Research Manuscript | ||
شناسه دیجیتال (DOI): 10.57647/J.JTAP.2023.1704.40 | ||
نویسندگان | ||
Etido P. Inyang ![]() | ||
1Department of Physics, National Open University of Nigeria, Jabi, Abuja, Nigeria. | ||
2Theoretical Physics Group, Department of Physics, University of Uyo, Nigeria. | ||
3Department of Physics, University of Calabar, Calabar, Nigeria. | ||
4Theoretical Physics Group, Department of Physics, School of Pure and Applied Sciences, Federal University of Technology, Ikot Abasi, Nigeria. | ||
چکیده | ||
In this research, we have obtained the energy eigenvalues and the corresponding normalized eigenfunction for the linear combination of the modified Kratzer and generalized inverse quadratic Yukawa potential using two different analytical methods: the exact quantization rule and the formula method respectively. The obtained normalized wave function is used to study the Shannon entropy in position and momentum spaces for the ground and first excited states. It was observed that the Shannon entropy in position space decreases as the screening parameter is increased and also increases in momentum space as the screening parameter is increased in such a way that their sum satisfies the Bialynicki-Birula-Mycielski (BBM) inequality that stipulated lower bound state of Sr+Sp>D(l+In(pi)) . Numerical results were generated for some selected diatomic molecules such as N2, CO, NO, and CH which agreed with other works in the literature. The content of this research finds application in atomic and molecular physics, quantum chemistry, and physics. | ||
کلیدواژهها | ||
Bialynicki-Birula-Mycielski inequality؛ Wave function؛ Schrödinger equation؛ Energy spectra؛ Shannon entropy | ||
آمار تعداد مشاهده مقاله: 195 |