Thermodynamic properties and coherent states for the harmonic oscillator in cosmic string space-time with dislocation

We study the problem of a quantum harmonic oscillator in the presence of a repulsive inverse-square potential within a cosmic string spacetime that contains a dislocation. Also, we study how a rotational frame affects the quantum harmonic oscillator plus the repulsive potential within this space-time geometry. For both problems, we find three operators for the radial part of each problem and show that they close the su(1, 1) Lie algebra. From the theory of unitary irreducible representations of the su(1, 1) Lie algebra, we obtain the energy spectrum from an algebraic point of view. Also, we obtain the wave functions, the radial coherent states, and their time evolution. Finally, we calculate the thermodynamic properties for each of these problems.

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Publication Details

Journal
Revista Mexicana de Física
Published
2025-05-01
DOI
https://doi.org/10.31349/revmexfis.71.031701
Primary Topic
Cosmology and Gravitation Theories
Type
article
Field-Weighted Citation Impact
0.00

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article

Thermodynamic properties and coherent states for the harmonic oscillator in cosmic string space-time with dislocation

Sorin Marin, Manuel Ramírez, M. R. Cordero–López, R. D. Mota
Revista Mexicana de Física
Cosmology and Gravitation Theories
article

Thermodynamic properties and coherent states for the harmonic oscillator in cosmic string space-time with dislocation

Sorin Marin, Manuel Ramírez, M. R. Cordero–López, R. D. Mota
article en

Abstract

We study the problem of a quantum harmonic oscillator in the presence of a repulsive inverse-square potential within a cosmic string spacetime that contains a dislocation. Also, we study how a rotational frame affects the quantum harmonic oscillator plus the repulsive potential within this space-time geometry. For both problems, we find three operators for the radial part of each problem and show that they close the su(1, 1) Lie algebra. From the theory of unitary irreducible representations of the su(1, 1) Lie algebra, we obtain the energy spectrum from an algebraic point of view. Also, we obtain the wave functions, the radial coherent states, and their time evolution. Finally, we calculate the thermodynamic properties for each of these problems.

Revista Mexicana de FísicaVol. 71(3 May-Jun)
Universitas Esa Unggul (ID), École Supérieure de Chimie Organique et Minérale (FR), Instituto Politécnico Nacional (MX)
Comisión de Operación y Fomento de Actividades Académicas, Instituto Politécnico Nacional
Openalex Percentile: Top 93%
Cosmology and Gravitation Theories
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Thermodynamic properties and coherent states for the harmonic oscillator in cosmic string space-time with dislocation — Sorin Marin, Manuel Ramírez, et al. · Revista Mexicana de Física (2025) | TGRS Research Map | TGRS