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Author  |
Domcke, V.; Garcia-Cely, C.; Lee, S.M. |
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Title |
Gravitational wave scattering on magnetic fields |
Type |
Journal Article |
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Year |
2025 |
Publication |
Journal of Cosmology and Astroparticle Physics |
Abbreviated Journal |
J. Cosmol. Astropart. Phys. |
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Volume |
11 |
Issue |
11 |
Pages |
016 - 48pp |
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Keywords |
gravitational waves / theory; absorption and radiation processes; pulsar magnetosphere |
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Abstract |
The conversion of gravitational to electromagnetic waves in the presence of background magnetic fields is known as the inverse Gertsenshtein effect, analogous to the in the far-field regime of a magnetized region, we derive the angular distribution of the intensity and polarization of the emitted electromagnetic waves. We discuss the interplay of the internal structure of the magnetic field, the polarization of the gravitational wave and the scattering angle, demonstrating for example that a dipolar field can convert an unpolarized stochastic gravitational wave background into polarized electromagnetic emission, with peak emission intensity along the equator. We moreover outline how to incorporate medium effects in this framework, necessary for a realistic 3D description of gravitational wave to photon conversion in the magnetosphere of neutron stars. |
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Address |
[Domcke, Valerie; Lee, Sung Mook] CERN, Theoret Phys Dept, 1 Esplanade Particules, Geneva 23, Switzerland, Email: valerie.domcke@cern.ch; |
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Publisher |
IOP Publishing Ltd |
Place of Publication |
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Language |
English |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Edition |
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ISSN |
1475-7516 |
ISBN |
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Notes |
WOS:001615092600002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6936 |
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