Invited Review

Magnetic interaction in ultra-compact binary systems

Kinwah Wu


Abstract This article reviews the current works on ultra-compact double-degenerate binaries in the presence of magnetic interaction, in particular, unipolar induction. The orbital dynamics and evolution of compact white-dwarf pairs are discussed in detail. Models and predictions of electron cyclotron masers from unipolar-inductor compact binaries and unipolar-inductor white-dwarf planetary systems are presented. Einstein-Laub effects in compact binaries are briefly discussed.


Keywords stars: binaries: close—stars: white dwarfs—gravitationalwaves—masers — radio continuum: stars — X-rays: binaries— planetary systems

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