English
Related papers

Related papers: Scalar self-force on static charge in a long throa…

200 papers

An analytic method is presented which allows for the computation of the self-force for a static particle with a scalar charge in the region of an ultrastatic spacetime which one can call the long throat. The method is based on the…

General Relativity and Quantum Cosmology · Physics 2011-11-29 Arkady A. Popov

The self-interaction for a static scalar charge in the space-time of extreme charged anti-dilatonic wormhole is calculated. We assume that the scalar charge is the source of massless scalar field with minimal coupling of the scalar field to…

General Relativity and Quantum Cosmology · Physics 2018-09-18 A. Popov , O. Aslan

We consider the self-energy and the self-force for scalar massive and massless particles at rest in the wormhole space-time. We develop a general approach to obtain the self-force and apply it to the two specific profiles of the wormhole…

General Relativity and Quantum Cosmology · Physics 2009-03-24 V. B. Bezerra , Nail R. Khusnutdinov

We use the recently developed massive field approach to calculate the scalar self-force on a static particle in a Schwarzschild spacetime. In this approach the scalar self-force is obtained from the difference between the (massless) scalar…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Eran Rosenthal

A method is presented which allows for the renormalization of the self-potential for a scalar point charge at rest in static curved space-time. The method is suitable for the scalar field with arbitrary mass $m$ and coupling to the scalar…

General Relativity and Quantum Cosmology · Physics 2011-11-16 Arkady A. Popov

The self-energy and self-force for particles with electric and scalar charges at rest in the space-time of massless and massive wormholes are considered. The particle with electric charge is always attracted to wormhole throat for arbitrary…

General Relativity and Quantum Cosmology · Physics 2014-02-12 Nail Khusnutdinov

In this paper, we consider the problem of computing the self-force and self-energy for a static scalar charge in a wormhole space-time with throat profile $r(\rho)=\sqrt{\rho^{2}+a^{2}}$ for arbitrary coupling of the field to the curvature.…

General Relativity and Quantum Cosmology · Physics 2013-05-30 Peter Taylor

The self-force of the electromagnetic charge in the space-time of a wormhole with an infinitely short throat is calculated. It is assumed that the charge is a source of an electromagnetic field that is in non-minimal connection with the…

General Relativity and Quantum Cosmology · Physics 2022-10-13 O. Aslan , A. Popov

We derive a new regularization method for the calculation of the (massless) scalar self force in curved spacetime. In this method, the scalar self force is expressed in terms of the difference between two retarded scalar fields: the…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Eran Rosenthal

We consider the self-energy and the self-force for an electrically charged particle at rest in the wormhole space-time. We develop general approach and apply it to two specific profiles of the wormhole throat with singular and with smooth…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Nail R. Khusnutdinov , Ilya V. Bakhmatov

We study the self forces acting on static scalar and electric test charges in the spacetime of a Schwarzschild black hole. The analysis is based on a direct, local calculation of the self forces via mode decomposition, and on two…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Lior M. Burko

We study the self force acting on static electric or scalar charges inside or outside a spherical, massive, thin shell. The regularization of the self force is done using the recently-proposed Mode Sum Regularization Prescription. In all…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Lior M. Burko , Yuk Tung Liu , Yoav Soen

The problem of determining the radiation reaction force experienced by a scalar charge moving in flat spacetime is investigated. A consistent renormalization procedure is used, which exploits the Poincar\'e invariance of the theory.…

Classical Physics · Physics 2009-07-20 Yurij Yaremko

The finite part of the self-force on a static scalar test-charge outside a Schwarzschild black hole is zero. By direct construction of Hadamard's elementary solution, we obtain a closed-form expression for the minimally coupled scalar field…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Alan G. Wiseman

We study the self force acting on a particle endowed with scalar charge, which is held static (with respect to an undragged, static observer at infinity) outside a stationary, axially-symmetric black hole. We find that the acceleration due…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Lior M. Burko , Yuk Tung Liu

Accurately modeling astrophysical extreme-mass-ratio-insprials requires calculating the gravitational self-force for orbits in Kerr spacetime. The necessary calculation techniques are typically very complex and, consequently, toy…

General Relativity and Quantum Cosmology · Physics 2015-02-04 Niels Warburton

Continuing previous work reported in an earlier paper [L.M. Burko, A.I. Harte, and E. Poisson, Phys. Rev. D 65, 124006 (2002)] we calculate the self-force acting on a point scalar charge in a wide class of cosmological spacetimes. The…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Roland Haas , Eric Poisson

We calculate the electromagnetic self-force on a stationary linear distribution of four-current in the spacetime of multiple cosmic strings. It is shown that if the current is infinitely thin and stretched along a line which is parallel to…

General Relativity and Quantum Cosmology · Physics 2009-10-31 E. R. Bezerra de Mello , V. B. Bezerra , Yu. V. Grats

In this paper we examine some aspects of the field of a scalar point charge in curved spacetimes. First we find the closed form solution for the scalar field due to a point charge in Schwarzschild spacetime. Then we expand it locally in…

General Relativity and Quantum Cosmology · Physics 2009-05-18 Swapnil Tripathi

We develop an approach to calculate the self-force on a charged particle held in place in a curved spacetime, in which the particle is attached to a massless string and the force is measured by the string's tension. The calculation is based…

General Relativity and Quantum Cosmology · Physics 2020-08-19 Michael LaHaye , Eric Poisson
‹ Prev 1 2 3 10 Next ›