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Abstract:

A global cosmic string may couple to electromagnetism as a consequence of anomalous triangle diagrams. In an external magnetic field, the gradients of the Nambu-Goldstone boson around the string give rise to an extended polarization current. When the string oscillates, it radiates electromagnetic waves. We estimate the strength of the effect for representative values of astrophysical magnetic fields. We also discuss implications for axion strings if a primordial cosmological magnetic field existed at early times. © 1991.

Registro:

Documento: Artículo
Título:Electromagnetic radiation from a global cosmic string in an external magnetic field
Autor:Harari, D.D.; Mazzitelli, F.D.
Filiación:Instituto de Astronomia y Fisica del Espacio, Casilla de Correo 67, Sucursal 28, 1428 Buenos Aires, Argentina
International Centre for Theoretical Physics, I-34100 Trieste, Italy
Año:1991
Volumen:266
Número:3-4
Página de inicio:269
Página de fin:274
DOI: http://dx.doi.org/10.1016/0370-2693(91)91038-W
Título revista:Physics Letters B
Título revista abreviado:Phys Lett Sect B Nucl Elem Part High-Energy Phys
ISSN:03702693
CODEN:PYLBA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v266_n3-4_p269_Harari

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Citas:

---------- APA ----------
Harari, D.D. & Mazzitelli, F.D. (1991) . Electromagnetic radiation from a global cosmic string in an external magnetic field. Physics Letters B, 266(3-4), 269-274.
http://dx.doi.org/10.1016/0370-2693(91)91038-W
---------- CHICAGO ----------
Harari, D.D., Mazzitelli, F.D. "Electromagnetic radiation from a global cosmic string in an external magnetic field" . Physics Letters B 266, no. 3-4 (1991) : 269-274.
http://dx.doi.org/10.1016/0370-2693(91)91038-W
---------- MLA ----------
Harari, D.D., Mazzitelli, F.D. "Electromagnetic radiation from a global cosmic string in an external magnetic field" . Physics Letters B, vol. 266, no. 3-4, 1991, pp. 269-274.
http://dx.doi.org/10.1016/0370-2693(91)91038-W
---------- VANCOUVER ----------
Harari, D.D., Mazzitelli, F.D. Electromagnetic radiation from a global cosmic string in an external magnetic field. Phys Lett Sect B Nucl Elem Part High-Energy Phys. 1991;266(3-4):269-274.
http://dx.doi.org/10.1016/0370-2693(91)91038-W