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We study the relativistic quantum of scalar particles in the cosmic string space-time with a screw dislocation (torsion) subject to a uniform magnetic field including the magnetic quantum flux in the presence of potential. We solve the…

General Physics · Physics 2020-07-08 Faizuddin Ahmed

This work studies the relativistic quantum dynamics of scalar bosons in a spacetime containing both a cosmic string and a global monopole within the framework of Rainbow Gravity. An effective metric is constructed to describe the combined…

General Relativity and Quantum Cosmology · Physics 2026-03-02 L. G. Barbosa , J. V. Zamperlini , L. C. N. Santos

We study solutions for the Klein-Gordon equation with vector and scalar potentials of the Coulomb types under the influence of non-inertial effects in the space-time of topological defects. We also investigate a quantum particle described…

High Energy Physics - Theory · Physics 2018-02-14 L. C. N. Santos , C. C. Barros

This paper explores the relativistic quantum motion of scalar bosons in the presence of mixed topological defects: cosmic strings and global monopoles. The Klein-Gordon equation with generalized Coulomb potentials is analyzed in this…

General Relativity and Quantum Cosmology · Physics 2025-05-07 L. G. Barbosa , L. C. N. Santos , J. V. Zamperlini , F. M. da Silva

In this contribution, some solutions of the Klein-Gordon equation in the G\"odel-type metrics with an embedded cosmic string are considered. The quantum dynamics of a scalar particle in three spaces whose metric is described by different…

High Energy Physics - Theory · Physics 2014-01-20 Josevi Carvalho , Alexandre M. de M. Carvalho , Claudio Furtado

The behaviour of a relativistic scalar particle subject to a scalar potential under the effects of the violation of the Lorentz symmetry in the cosmic string spacetime is discussed. It is considered two possible scenarios of the Lorentz…

High Energy Physics - Theory · Physics 2016-03-16 H. Belich , K. Bakke

In this paper we present two different classes of solutions for the Klein-Gordon equation in the presence of a scalar potential under the influence of noninertial effects in the cosmic string spacetime. We show that noninertial effects…

High Energy Physics - Theory · Physics 2017-03-30 L. C. N. Santos , C. C. Barros

In this paper we analyse the relativistic quantum motion of a charged spin-0 particle in the presence of a dyon, Aharonov-Bohm magnetic field and scalar potential, in the spacetimes produced by an idealized cosmic string and global…

High Energy Physics - Theory · Physics 2009-11-11 A. L. Cavalcanti de Oliveira , E. R. Bezerra de Mello

Recent studies show that deformations in quantum mechanics are inevitable. In this contribution, we consider a relativistic quantum mechanical differential equation in the presence of Dunkl operator-based deformation and we investigate…

Quantum Physics · Physics 2023-01-02 B. Hamil , B. C. Lütfüoğlu

This research focus on the investigation of relativistic quantum dynamics of spin0 scalar particles/fields through the utilization of the Klein-Gordon (KG) equation within the framework of an electrovacuum space-time in the presence of an…

General Relativity and Quantum Cosmology · Physics 2024-05-20 Faizuddin Ahmed , Abdelmalek Bouzenada

We investigate the behaviour of a massive scalar field under the influence of a Coulomb-type and central linear central potentials inserted in the Klein-Gordon equation by modifying the mass term in the spacetime with Lorentz symmetry…

High Energy Physics - Theory · Physics 2019-05-06 Ricardo L. L. Vitória , Humberto Belich

In this paper, we solve a generalized Klein-Gordon oscillator in the cosmic string space-time with a scalar potential of Cornell-type within the Kaluza-Klein theory and obtain the relativistic energy eigenvalues and eigenfunctions. We…

General Physics · Physics 2020-07-14 Faizuddin Ahmed

The Schr\"odinger equations for the Coulomb and the Harmonic oscillator potentials are solved in the cosmic-string conical space-time. The spherical harmonics with angular deficit are introduced. The algebraic construction of the harmonic…

General Relativity and Quantum Cosmology · Physics 2016-08-31 J. L. A. Coelho , R. L. P. G. Amaral

In this paper, we study interactions of a scalar particle with electromagnetic potential in the background space-time generated by a cosmic string with a spacelike dislocation. We solve the Klein-Gordon oscillator in the presence of…

High Energy Physics - Theory · Physics 2020-03-24 Faizuddin Ahmed

The problem of a spinless particle subject to a general mixing of vector and scalar screened Coulomb potentials in a two-dimensional world is analyzed and its bounded solutions are found. Some unusual results, including the existence of a…

High Energy Physics - Theory · Physics 2009-11-11 Antonio S. de Castro

In the present work, we investigated the quantum behavior of a charged particle that is under the effect of a uniform magnetic external field. We assumed that space-time has a space-like dislocation with an internal magnetic flux. We…

Quantum Physics · Physics 2020-11-05 B. C. Lütfüoğlu , J. Kříž , P. Sedaghatnia , H. Hassanabadi

In this work we study spin-0 particles described by the Klein-Gordon oscillator formalism in a spacetime which structure is determined by a homogeneous magnetic field and a cosmological constant. For this purpose we take into account a…

General Relativity and Quantum Cosmology · Physics 2024-12-30 L. G. Barbosa , C. C. Barros

By introducing the scalar potential as modification in the mass term of the Klein-Gordon equation, the influence of a Coulomb-type potential on the Klein-Gordon oscillator is investigated. Relativistic bound states solutions are achieved to…

Quantum Physics · Physics 2015-02-25 K. Bakke , C. Furtado

We analyze the dynamics of scalar particles in gravity's rainbow considering the space-time of a cosmic string in this modified gravity. Thus, we solve the Klein-Gordon equation for two types of potential in which two possible rainbow…

General Relativity and Quantum Cosmology · Physics 2020-12-16 L. C. N. Santos , C. E. Mota , C. C. Barros , L. B. Castro , V. B. Bezerra

We study the behavior of non-relativistic quantum particles interacting with different potentials in the space-times generated by a cosmic string and a global monopole. We find the energy spectra in the presence of these topological defects…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Geusa de A. Marques , Valdir B. Bezerra
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