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In this article we investigate and solve exactly the modified Dirac oscillator in curved spacetime with spin and pseudospin symmetries through an algebraic approach. By focusing on the radial part of this problem, we use the Schr\"odinger…

We study the Dirac oscillator for spin-1/2 particles in a spacetime containing a spinning cosmic string endowed with both curvature (disclination) and torsion (screw dislocation). The background geometry includes off-diagonal and is…

General Relativity and Quantum Cosmology · Physics 2025-09-29 Abdelmalek Boumali

We introduce an $SU(1,1)$ algebraic approach to study the $(2+1)$-Dirac oscillator in the presence of the Aharonov-Casher effect coupled to an external electromagnetic field in the Minkowski spacetime and the cosmic string spacetime. This…

In this paper, we determine the relativistic bound-state solutions for the Dirac oscillator (DO) in the curved spacetime of a cloud of strings in $(3+1)$-dimensions, where such solutions are given by the four-component normalized Dirac…

High Energy Physics - Theory · Physics 2026-05-13 R. R. S. Oliveira

We examine the effects of gravitational fields produced by topological defects on a Dirac field and a Dirac oscillator in a spinning cosmic string spacetime. We obtain the eigenfunctions and the energy levels of the relativistic field in…

High Energy Physics - Theory · Physics 2019-04-15 Mansoureh Hosseinpour , Hassan Hassanabadi , Marc de Montigny

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 Dirac equation with both scalar and vector couplings describing the dynamics of a two-dimensional Dirac oscillator in the cosmic string spacetime is considered. We derive the Dirac-Pauli equation and solve it in the limit of the spin…

High Energy Physics - Theory · Physics 2019-07-18 Daniel F. Lima , Fabiano M. Andrade , Luis B. Castro , Cleverson Filgueiras , Edilberto O. Silva

We present exact solutions of the Dirac equation in static curved space-time using two distinct algebraic approaches. The first method employs $su(1,1)$ algebra operators together with the tilting transformation, enabling the derivation of…

Quantum Physics · Physics 2025-05-14 M. Salazar-Ramíreza , R. D. Motab , D. Ojeda-Guillén , A. González-Cisneros

We decouple the Dirac's radial equations in $D+1$ dimensions with Coulomb-type scalar and vector potentials through appropriate transformations. We study each of these uncoupled second-order equations in an algebraic way by using an…

Mathematical Physics · Physics 2014-09-16 D. Ojeda-Guillen , R. D. Mota , V. D. Granados

In this paper, we study the influence of noninertial effects on the Dirac oscillator in the cosmic string spacetime background. We discuss the behaviour of the oscillator frequency in a noninertial system that allows us to obtain…

General Relativity and Quantum Cosmology · Physics 2012-09-04 Knut Bakke

In this contribution, we study the Dirac oscillator under the influence of noninertial effects of a rotating frame in the cosmic string spacetime. We show that both noninertial effects and the topology of the cosmic string spacetime…

Quantum Physics · Physics 2013-08-28 K. Bakke

We study the relativistic quantum dynamics of a DKP oscillator field subject to a linear interaction in cosmic string space-time in order to better understand the effects of gravitational fields produced by topological defects on the scalar…

High Energy Physics - Theory · Physics 2018-03-14 Mansoureh Hosseinpour , Hassan Hassanabadi , Fabiano M. Andrade

In this paper, we analyze Dirac fermions in G\"odel-type background space-times with torsion. We also consider the G\"odel-type spacetimes embedded in a topological defect background. We show that relativistic bound states solutions to the…

High Energy Physics - Theory · Physics 2017-03-16 G. Q. Garcia , J. R. de S. Oliveira , K. Bakke , C. Furtado

In this article, we study topological and noninertial effects on the motion of the two-dimensional Dirac oscillator in the presence of a uniform magnetic field and the Aharonov-Bohm potential. We obtain the Dirac equation that describes the…

High Energy Physics - Theory · Physics 2020-11-24 Márcio M. Cunha , Henrique S. Dias , Edilberto O. Silva

We have studied a relativistic electron in the presence of a uniform magnetic field and scalar potential in the cosmic string spacetime. The exact solutions of the Dirac equation with a Coulomb-like scalar potential and linear vector…

Quantum Physics · Physics 2015-10-06 Ozlem Yesiltas

In this paper, we determine the relativistic bound-state solutions for the charged (DO) Dirac oscillator in a rotating frame in the Bonnor-Melvin-Lambda spacetime in $(2+1)$-dimensions, where such solutions are given by the two-component…

General Relativity and Quantum Cosmology · Physics 2025-07-18 R. R. S. Oliveira

In this work, we study the Aharonov-Casher effect in the $(2+1)$-dimensional Dirac oscillator coupled to an external electromagnetic field. We set up our system in two different scenarios: in the Minkowski spacetime and the cosmic string…

Quantum Physics · Physics 2018-10-29 R. R. S. Oliveira , R. V. Maluf , C. A. S. Almeida

We discuss the Dirac equation in a curved 5-dimensional spherically symmetric space-time. The angular part of the solutions is thoroughly studied, in a formulation suited for extending to rotating space-times with equal angular momenta. It…

General Relativity and Quantum Cosmology · Physics 2014-10-29 Y. Brihaye , T. Delsate , N. Sawado , H. Yoshii

In this paper we study the (2 + 1)-dimensional Dirac oscillator in the noncommutative phase space and the energy eigenvalues and the corresponding wave functions of the system are obtained through the sl(2) algebraization. It is shown that…

High Energy Physics - Theory · Physics 2017-10-11 H. Panahi , A. Savadi

Cosmic strings, as topological spacetime defects, show striking resemblance to defects in solid continua: distortions, which can be classified into disclinations and dislocations, are line-like defects characterized by a delta…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Roland A. Puntigam , Harald H. Soleng
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