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Spectral and Thermal Analysis of the Morse Potential within the Dunkl Formalism: Analytical Approximations and Applications.

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Title: Spectral and Thermal Analysis of the Morse Potential within the Dunkl Formalism: Analytical Approximations and Applications.
Authors: Hamil, B.1 (AUTHOR) hamilbilel@gmail.com, Lütfüoğlu, B. C.2 (AUTHOR) bekir.lutfuoglu@uhk.cz, Ikot, A. N.3 (AUTHOR) ndemikotphysics@gmail.com, Okorie, U. S.4 (AUTHOR) okoriu@unisa.ac.za
Source: Few-Body Systems. Sep2025, Vol. 66 Issue 3, p1-14. 14p.
Subjects: Quantum mechanics, Schrödinger equation, Molecular models, Quantum theory, Thermodynamic functions, Energy levels (Quantum mechanics), Quantum potentials (Quantum mechanics), Wave functions
Abstract: In this work, we investigate the quantum dynamics of a particle subject to the Morse potential within the framework of Dunkl quantum mechanics. By employing the Dunkl derivative operator–which introduces reflection symmetry–we construct a deformed Schrödinger equation and obtain exact analytical solutions using the Pekeris approximation. The resulting energy spectrum and wavefunctions reveal how Dunkl parameters alter the effective potential and vibrational states. The model is applied to several diatomic molecules, including H 2 , HCl, and I 2 , illustrating the impact of symmetry deformation on energy spectra. We also compute thermodynamic functions including the partition function, free energy, internal energy, entropy, and specific heat. The analysis shows that the Dunkl deformation induces distinct thermal behavior and offers a tunable approach to molecular modeling. These results highlight the potential of the Dunkl formalism as a useful tool for extending conventional quantum models and for exploring symmetry-deformed systems in molecular physics and quantum thermodynamics. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:In this work, we investigate the quantum dynamics of a particle subject to the Morse potential within the framework of Dunkl quantum mechanics. By employing the Dunkl derivative operator–which introduces reflection symmetry–we construct a deformed Schrödinger equation and obtain exact analytical solutions using the Pekeris approximation. The resulting energy spectrum and wavefunctions reveal how Dunkl parameters alter the effective potential and vibrational states. The model is applied to several diatomic molecules, including H 2 , HCl, and I 2 , illustrating the impact of symmetry deformation on energy spectra. We also compute thermodynamic functions including the partition function, free energy, internal energy, entropy, and specific heat. The analysis shows that the Dunkl deformation induces distinct thermal behavior and offers a tunable approach to molecular modeling. These results highlight the potential of the Dunkl formalism as a useful tool for extending conventional quantum models and for exploring symmetry-deformed systems in molecular physics and quantum thermodynamics. [ABSTRACT FROM AUTHOR]
ISSN:01777963
DOI:10.1007/s00601-025-01999-5