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A topological defect in the form of the Abrikosov-Nielsen-Olesen vortex is considered as a gauge-flux-carrying tube that is impenetrable for quantum matter. The relativistic spinor matter field is quantized in the vortex background in…

High Energy Physics - Theory · Physics 2019-11-01 Yurii A. Sitenko , Volodymyr M. Gorkavenko

A linear magnetic topological defect (cosmic string) is modeled as a magnetic flux-carrying tube that is impenetrable to external spinor matter. The matter field is quantized in the background of this tube, with the most general set of…

High Energy Physics - Theory · Physics 2025-12-09 Yu. I. Pylypchuk , P. O. Nakaznyi , O. V. Barabash , A. O. Zaporozhchenko , V. M. Gorkavenko

A topological defect in the form of the Abrikosov-Nielsen-Olesen vortex is considered as a gauge-flux-carrying tube that is impenetrable for quantum matter. Charged scalar matter field is quantized in the vortex background with the…

High Energy Physics - Theory · Physics 2016-03-04 Volodymyr M. Gorkavenko , Iryna V. Ivanchenko , Yurii A. Sitenko

A topological defect in the form of the Abrikosov-Nielsen-Olesen vortex in a space of arbitrary dimension is considered as a gauge-flux-carrying tube that is impenetrable for quantum matter. Charged scalar matter field is quantized in the…

High Energy Physics - Theory · Physics 2022-11-21 V. M. Gorkavenko , T. V. Gorkavenko , Yu. A. Sitenko , M. S. Tsarenkova

We show that the vacuum of the quantized massless spinor field in 2+1-dimensional space-time is polarized in the presence of a singular magnetic vortex. Depending on the choice of the boundary condition at the location of the vortex, either…

High Energy Physics - Theory · Physics 2009-10-31 Yurii A. Sitenko

We considered the vacuum polarization of a quantized charged scalar matter field in the background of a topological defect modeled by a finite-thickness tube with magnetic flux inside. The tube is impenetrable for quantum matter, and a…

High Energy Physics - Theory · Physics 2025-07-15 V. M. Gorkavenko , A. O. Zaporozhchenko , M. S. Tsarenkova

We consider the effect of the magnetic field background in the form of a tube of the finite transverse size on the vacuum of the quantized charged massive scalar field which is subject to the Dirichlet boundary condition at the tube. It is…

High Energy Physics - Theory · Physics 2015-03-13 V. M. Gorkavenko , Yu. A. Sitenko , O. B. Stepanov

The relativistic charged spinor matter field is quantized in the background of a straight cosmic string with nonvanishing transverse size. The most general boundary conditions ensuring the impossibility for matter to penetrate through the…

High Energy Physics - Theory · Physics 2021-08-30 Yurii A. Sitenko

Effects of the configuration of an external static magnetic field in the form of a singular vortex on the vacuum of a quantized massless spinor field are determined. The most general boundary conditions at the punctured singular point which…

High Energy Physics - Theory · Physics 2007-05-23 Yu. A. Sitenko

A perfectly reflecting (Dirichlet) boundary condition at the edge of an impenetrable magnetic-flux-carrying tube of nonzero transverse size is imposed on the charged massive scalar matter field which is quantized outside the tube. We show…

High Energy Physics - Theory · Physics 2016-10-06 V. M. Gorkavenko , Yu. A. Sitenko , O. B. Stepanov

We have investigated vacuum polarization of a quantized charged massive scalar field in the presence of a magnetic topological defect, modeled as an impenetrable tube of finite thickness carrying magnetic flux. At the tube's surface, we…

We consider vacuum polarization of charged scalar matter field outside the tube with magnetic flux inside. The tube is impenetrable for quantum matter and the perfectly rigid (Neumann) boundary condition is imposed at its surface. We write…

High Energy Physics - Theory · Physics 2023-11-21 V. M. Gorkavenko , T. V. Gorkavenko , Yu. A. Sitenko , M. S. Tsarenkova

Charged spinor matter field is quantized in a spatial region bounded by two parallel neutral plates. The most general set of boundary conditions ensuring the confinement of matter within the plates is considered. We study a response of the…

High Energy Physics - Theory · Physics 2015-12-07 Yu. A. Sitenko , S. A. Yushchenko

We investigate the vacuum polarization effects associated with a charged massless spin-1/2 field in a higher-dimensional space-time, induced by a composite topological defect. The defect is constituted by a global monopole living on a…

High Energy Physics - Theory · Physics 2008-11-26 E. R. Bezerra de Mello , A. A. Saharian

The relativistic spin-0 matter field is quantized in the background of a straight cosmic string with nonvanishing transverse size. The most general boundary condition ensuring the impenetrability of the matter field into the interior of the…

High Energy Physics - Theory · Physics 2022-11-18 Yurii A. Sitenko , Volodymyr M. Gorkavenko , Maria S. Tsarenkova

A massless spinor field is quantized in the background of a singular static magnetic vortex in 2+1-dimensional space-time. The method of self-adjoint extensions is employed to define the most general set of physically acceptable boundary…

High Energy Physics - Theory · Physics 2009-09-25 Yu. A. Sitenko

We consider the effect of the magnetic field background in the form of a tube of the finite transverse size on the vacuum of the quantized charged massive scalar field which is subject to the Dirichlet boundary condition at the edge of the…

High Energy Physics - Theory · Physics 2011-10-30 V. M. Gorkavenko , Yu. A. Sitenko , O. B. Stepanov

In this paper we study the polarized vacuum energy on the conducting surface of a topological insulator characterized by both $Z_2$ topological index and time reversal symmetry. This boundary is subject to the action of a static and…

High Energy Physics - Theory · Physics 2015-07-28 C. R. Muniz , M. O. Tahim , G. D. Saraiva , M. S. Cunha

The combined effect of the magnetic field background in the form of a singular vortex and the Dirichlet boundary condition at the location of the vortex on the vacuum of quantized scalar field is studied. We find the induced vacuum energy…

High Energy Physics - Theory · Physics 2009-10-30 Yu. A. Sitenko , A. Yu. Babansky

Space out of a topological defect of the Abrikosov-Nielsen-Olesen vortex type is locally flat but non-Euclidean. If a spinor field is quantized in such a space, then a variety of quantum effects is induced in the vacuum. Basing on the…

High Energy Physics - Theory · Physics 2018-05-25 Yurii A. Sitenko , Volodymyr M. Gorkavenko
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