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Dipolar Magnetic Fields in Binaries and Gravitational Waves by Bourgoin, Adrien; Poncin-Lafitte, Christophe Le; Mathis, Stéphane; Angonin, Marie-Christine is a scholarly article available to read on EtoBox.

What is Dipolar Magnetic Fields in Binaries and Gravitational Waves about?

The LISA mission will observe gravitational waves emitted from tens of thousands of galactic binaries, in particular white dwarf binary systems. These objects are known to have intense magnetic fields. However, these fields are usually not considered as their influence on the orbital and rotational motion of the binary is assumed for being too weak. It turns out that magnetic fields modify the orbits, in particular their geometry with respect to the observer. In this work, we revisit the issue, assuming magnetostatic approximation, and we show how the magnetic fields within a binary system generate a secular drift in the argument of the periastron, leading then, to modifications of the gravitational waveforms that are potentially detectable by LISA.

Author

Bourgoin, Adrien; Poncin-Lafitte, Christophe Le; Mathis, Stéphane; Angonin, Marie-Christine

Published

2021

Language

EN