Abstract
Confinement effects of Aharonov–Bohm (AB) flux and magnetic fields with topological defect on \(CO\) diatomic molecule modeled by screened modified Kratzer potential is investigated in this paper. The all-encompassing effects of the fields and topological defect result in a strongly repulsive system. We discover that the collective effect of the fields and defect is more intense than the lone and dual effect and consequently there is a substantial shift in the bound state energy of the system. We also find that to sustain a low-energy medium for the molecule modeled by SMKP, the topological defect and weak AB field are required, whereas the magnetic field can be used as a control parameter or enhancer. The effects of the topological defect and magnetic and AB fields on the thermal and magnetic properties of the system are duly analyzed. We observe that the system tends to exhibit both a paramagnetic and diamagnetic behavior for weak and intense magnetic field, respectively, and some sort of saturation at high magnetic field. To further validate our findings, we map our result to 3D and a comparison of our results with what one obtains in literature reveals an excellent agreement.
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Acknowledgments
The authors dedicate this work to (Dr Akpan Ndem Ikot) on his birthday anniversary. We also thank the anonymous referees for the careful reading and the suggestions that improved the paper.
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Edet, C.O., Ikot, A.N. Effects of Topological Defect on the Energy Spectra and Thermo-magnetic Properties of \(CO\) Diatomic Molecule. J Low Temp Phys 203, 84–111 (2021). https://doi.org/10.1007/s10909-021-02577-9
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DOI: https://doi.org/10.1007/s10909-021-02577-9