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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

We show that from an appropriate manipulation of the biconfluent Heun differential equation can obtain the correct expression for the energy eigenvalues for the Klein-Gordon equation without potential in the background of Som-Raychaudhuri…

General Relativity and Quantum Cosmology · Physics 2020-01-29 Francisco A. Cruz Neto , Camila C. Soares , Luis B. Castro

The problem of confinement of spinless particles in 1+1 dimensions is approached with a linear potential by considering a mixing of Lorentz vector and scalar couplings. Analytical bound-states solutions are obtained when the scalar coupling…

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

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

The behaviour of a relativistic scalar particle in a possible scenario that arises from the violation of the Lorentz symmetry is investigated. The background of the Lorentz symmetry violation is defined by a tensor field that governs the…

High Energy Physics - Theory · Physics 2015-07-02 K. Bakke , H. Belich

We derive general conditions under which geodesics of stationary spacetimes resemble trajectories of charged particles in an electromagnetic field. For large curvatures (analogous to strong magnetic fields), the quantum mechanicical states…

High Energy Physics - Theory · Physics 2008-11-26 Saurya Das , Jack Gegenberg

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

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

In this paper we analyze the relativistic quantum motion of charged spin-0 and spin-1/2 particles in the presence of a uniform magnetic field and scalar potentials in the cosmic string spacetime. In order to develop this analysis, we assume…

High Energy Physics - Theory · Physics 2021-04-12 E. R. Figueiredo Medeiros , E. R. Bezerra de Mello

We analyze the quantum dynamics of a scalar field in a spacetime incorporating dual topological defects, specifically a cosmic string and a global monopole. Utilizing a generalized metric that encapsulates the combined geometric effects of…

General Relativity and Quantum Cosmology · Physics 2025-04-30 L. G. Barbosa , L. C. N. Santos , J. V. Zamperlini , F. M da Silva

Som-Raychaudhuri spacetime is a stationary cylindrical symmetric solution of Einstein field equation corresponding to a charged dust distribution in rigid rotation. The main object of the present paper is to investigate the curvature…

Differential Geometry · Mathematics 2015-10-20 Absos Ali Shaikh , Haradhan Kundu

In G\"odel-type Som-Raychaudhuri (SR) cosmic string spacetime background, we re-cycle the Klein-Gordon (KG) oscillators and report their correct exact solutions. We argue that the mathematical collapse of the KG-equation into the…

General Relativity and Quantum Cosmology · Physics 2023-04-17 O. Mustafa

We study a relativistic quantum particle in cosmic string spacetime in the presence of a uniform magnetic field and a Coulomb-type scalar potential. It is shown that the radial part of this problem possesses the $su(1,1)$ symmetry. We…

Quantum Physics · Physics 2016-06-20 M. Salazar-Ramírez , D. Ojeda-Guillén , R. D. Mota

The relativistic quantum dynamics of a spinless charged particle interacting with both Aharonov-Bohm and Coulomb-type potentials in the G\"odel-type spacetime is considered. The dynamics of the system is governed by the Klein-Gordon…

High Energy Physics - Theory · Physics 2019-07-09 Edilberto O. Silva

In this research contribution, we explore the relativistic quantum dynamics of spin-0 scalar particles within a curved space-time background containing topological defects, while incorporating the effects of rainbow gravity. The Klein…

General Relativity and Quantum Cosmology · Physics 2024-01-31 Faizuddin Ahmed , Abdelmalek Bouzenada

We study the relativistic quantum motion of a spineless particle using the Feshbach-Villars (FV) formalism in the spinning cosmic string spacetime. The movement equations are derived using the first-order FV formulation of the Klein-Gordon…

High Energy Physics - Theory · Physics 2023-07-10 Abdelmalek Bouzenada , Abdelmalek Boumali , Edilberto O. Silva

In this paper, we investigate relativistic quantum dynamics of spin- $0$ massive charged particle subject to a homogeneous magnetic field in the G\"{o}del-type space-time with potentials. We solve the Klein-Gordon equation subject to a…

General Relativity and Quantum Cosmology · Physics 2020-06-12 Faizuddin Ahmed

We study the Klein-Gordon (KG) oscillator with a Cornell-type scalar confinement in (2+1)-dimensional G\"{u}rses space-time backgrounds and report their exact solutions. The effect of the vorticity parameter $\Omega$ on the energy levels is…

General Relativity and Quantum Cosmology · Physics 2022-03-02 Omar Mustafa

The solution of the time-dependent Schr\"odinger equation is discussed for a particle confined in half-space $x>0$ with a linear potential $V(x)=Kx$ in the following situations: (a) sudden removal of the wall and switching on the linear…

Quantum Physics · Physics 2011-12-30 S. V. Mousavi

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
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