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Effects of Cosmic String on Non-Relativistic Quantum Particles with Potential and Thermodynamic Properties

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Abstract

In this work, we investigate the quantum dynamics of non-relativistic particles interacting with a potential in the background of the topological defect produced by cosmic strings. We choose a pseudoharmonic-type potential in the quantum system and determine the exact eigenvalue solution using the parametric Nikiforov-Uvarov method. It is shown that the energy eigenvalue and wave function is influenced by the topological defect and get them shifted compared to the flat space result with this potential. This eigenvalue solution is then utilized in some diatomic molecular potential models and presented as the eigenvalue solution. Finally, we study the thermodynamic properties of the quantum system at finite temperature \(T \ne 0\) and calculate the partition function with other thermodynamic quantities, such as the vibrational free energy, mean free energy, specific heat capacity, and entropy and analyze the effects on them.

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All data generated or analysed during this study are included in this published article.

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  1. Department of Physics, University of Science & Technology Meghalaya, Ri-Bhoi, Meghalaya, 793101, India

    Faizuddin Ahmed

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  1. Faizuddin Ahmed
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Ahmed, F. Effects of Cosmic String on Non-Relativistic Quantum Particles with Potential and Thermodynamic Properties. Int J Theor Phys 62, 142 (2023). https://doi.org/10.1007/s10773-023-05397-7

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