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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Magnetic response to applied electrostatic field in external magnetic field

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Author(s):
Adorno, T. C. [1, 2] ; Gitman, D. M. [1, 3] ; Shabad, A. E. [4]
Total Authors: 3
Affiliation:
[1] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo - Brazil
[2] Univ Florida, Dept Phys, Gainesville, FL 32611 - USA
[3] Tomsk State Univ, Dept Phys, Tomsk 634050 - Russia
[4] PN Lebedev Phys Inst, Moscow 117924 - Russia
Total Affiliations: 4
Document type: Journal article
Source: EUROPEAN PHYSICAL JOURNAL C; v. 74, n. 4 APR 23 2014.
Web of Science Citations: 6
Abstract

We show, within QED and other possible nonlinear theories, that a static charge localized in a finite domain of space becomes a magnetic dipole, if it is placed in an external (constant and homogeneous) magnetic field in the vacuum. The magnetic moment is quadratic in the charge, depends on its size and is parallel to the external field, provided the charge distribution is at least cylindrically symmetric. This magneto-electric effect is a nonlinear response of the magnetized vacuum to an applied electrostatic field. Referring to the simple example of a spherically symmetric applied field, the nonlinearly induced current and its magnetic field are found explicitly throughout the space; the pattern of the lines of force is depicted, both inside and outside the charge, which resembles that of a standard solenoid of classical magnetostatics. (AU)

FAPESP's process: 11/51867-9 - Anatoly Efimovich Shabad | PN Lebedev Physical Institute - Rússia
Grantee:Dmitri Maximovitch Guitman
Support type: Research Grants - Visiting Researcher Grant - International
FAPESP's process: 13/16592-4 - Problems in quantum field theory with strong external fields and enhanced canonical quantization of classical systems
Grantee:Tiago Carlos Adorno de Freitas
Support type: Scholarships abroad - Research Internship - Post-doctor