English
Related papers

Related papers: Vortex solutions in nonpolynomial scalar QED

200 papers

We investigate the presence of vortex structures in a Maxwell model with a logarithmic generalization. This generalization becomes important because it generates stationary field solutions in models that describe the dynamics of a scalar…

High Energy Physics - Theory · Physics 2020-12-02 F. C. E. Lima , C. A. S. Almeida

In this work, a possible description for quantum dynamics of the cuscuton within the sigma-model approach is presented. Lower order perturbative corrections and the structure of divergences are found. Motivated by the results generated by…

High Energy Physics - Theory · Physics 2022-03-09 F. C. E. Lima , A. Yu. Petrov , C. A. S. Almeida

We study a family of Maxwell-Higgs models, described by the inclusion of a function of the scalar field that represent generalized magnetic permeability. We search for vortex configurations which obey first-order differential equations that…

High Energy Physics - Theory · Physics 2017-02-07 D. Bazeia , L. Losano , M. A. Marques , R. Menezes , I. Zafalan

For the study of topological vortices with non-minimal coupling, we built a kind of non-canonical O(3)-sigma model, with a Maxwell term modified by a dielectric function. Through the BPS formalism, an investigation is made on possible…

High Energy Physics - Theory · Physics 2022-04-27 F. C. E. Lima , C. A. S. Almeida

We consider a system of nonlinear equations that extends the Maxwell theory. It was pointed out in a previous paper that symmetric solutions of these equations display properties characteristic of magnetic oscillations. In this paper I…

Superconductivity · Physics 2007-05-23 Artur Sowa

We study vortex solutions in the Born-Infeld theory coupled with a complex scalar field. We show that for a specific form of the "Higgs" potential the vortex satisfies a set of Bogomol'nyi-type equations. Another model, with nonlinear…

High Energy Physics - Theory · Physics 2018-11-06 Kiyoshi Shiraishi , Satoru Hirenzaki

We give a detailed account of the construction of non--trivial localized solutions in a 2+1 dimensional model of superconductors using a 3+1 dimensional gravitational dual theory of a black hole coupled to a scalar field. The solutions are…

High Energy Physics - Theory · Physics 2009-12-31 Tameem Albash , Clifford V. Johnson

We investigate the presence of vortex configurations in generalized Maxwell-Chern-Simons models with nonminimal coupling, in which we introduce a function that modifies the dynamical term of the scalar field in the Lagrangian. We first…

High Energy Physics - Theory · Physics 2020-09-09 I. Andrade , D. Bazeia , M. A. Marques , R. Menezes

We investigate the presence of topological structures and multiple phase transitions in the O(3)-sigma model with the gauge field governed by Maxwell's term and subject to a so-called Gausson's self-dual potential. To carry out this study,…

High Energy Physics - Theory · Physics 2021-12-08 F. C. E. Lima , C. A. S. Almeida

Charged vortex solutions for noncommutative Maxwell-Higgs model in 3+1 dimensions are found. We show that the stability of these vortex solutions is spoiled out for some, large enough, noncommutativity parameter. A non topological charge,…

High Energy Physics - Theory · Physics 2009-11-11 H. Falomir , J. Gamboa , J. Lopez-Sarrion , F. Mendez , A. J. da Silva

We study the spontaneously broken phase of the $XY$ model in three dimensions, with boundary conditions enforcing the presence of a vortex line. Comparing Monte Carlo and field theoretic determinations of the magnetization and energy…

Statistical Mechanics · Physics 2019-02-19 Gesualdo Delfino , Walter Selke , Alessio Squarcini

We study the charged black hole solutions of a 2+1 nonlinear electrodynamical theory with cosmological constant. Considered as a one-parameter group of theories (the exponent of the squared Maxwell tensor) the causal structure of all…

General Relativity and Quantum Cosmology · Physics 2025-07-01 Rodrigo Dal Bosco Fontana

Vortices are localized planar structures that attain topological stability and can be used to describe collective behavior in a diversity of situations of current interest in nonlinear science. In high energy physics, vortices engender…

High Energy Physics - Theory · Physics 2019-10-30 D. Bazeia , M. A. Liao , M. A. Marques , R. Menezes

We consider a vector gauge theory in 2 + 1 dimensions of the type recently proposed by Radzihovsky and Hermele [1] to describe fracton phases of matter. The theory has U(1)XU(1) vector gauge fields coupled to an additional vector field with…

High Energy Physics - Theory · Physics 2020-12-02 G. Lozano , F. A. Schaposnik

This paper shows that the topological structures of particle orbits generated by a generic class of vector fields on spherical surfaces, called {\it the flow of finite type}, are in one-to-one correspondence with discrete structures such as…

Dynamical Systems · Mathematics 2022-08-18 Takashi Sakajo , Tomoo Yokoyama

The nonlinear Ginzburg-Landau equations are solved numerically in order to investigate the vortex structure in thin superconducting disks of arbitrary shape. Depending on the size of the system and the strength of the applied magnetic field…

Superconductivity · Physics 2007-05-23 F. M. Peeters , B. J. Baelus

We study a Maxwell-$CP(2)$ model coupled to a real scalar field through a dielectric function multiplying the Maxwell term. In such a context, we look for first-order rotationally symmetric solitons by means of the Bogomol'nyi algorithm,…

High Energy Physics - Theory · Physics 2019-03-29 J. Andrade , R. Casana , E. da Hora , C. dos Santos

The extended scalar-tensor and vector-tensor theories admit black hole solutions with the nontrivial profiles of the scalar and vector fields, respectively. The disformal transformation maps a solution in a class of the scalar-tensor or…

General Relativity and Quantum Cosmology · Physics 2020-12-29 Masato Minamitsuji

We present a new mechanism for generation of large-scale magnetic field by thermal convection which does not involve the alpha-effect. We consider weakly nonlinear perturbations of space-periodic steady convective magnetic dynamos in a…

Fluid Dynamics · Physics 2015-12-01 Roman Chertovskih , Vladislav Zheligovsky

We construct an extension of the Abelian Higgs model, which consists of a complex scalar field by including an additional real, electromagnetically neutral scalar field. We couple this real scalar field to the complex scalar field via a…

High Energy Physics - Theory · Physics 2017-03-17 Prabal Adhikari , Jaehong Choi
‹ Prev 1 2 3 10 Next ›