Measuring the Galactic Binary Fluxes with LISA: Metamorphoses and Disappearances of White Dwarf Binaries
arXiv:2201.03685 · doi:10.1103/PhysRevLett.128.041101
Abstract
The space gravitational wave detector LISA is expected to detect of nearly monochromatic binaries, after yr operation. We propose to measure the inspiral/outspiral binary fluxes in the frequency space, by processing tiny frequency drifts of these numerous binaries. Rich astrophysical information is encoded in the frequency dependencies of the two fluxes, and we can read the long-term evolution of white dwarf binaries, resulting in metamorphoses or disappearances. This measurement will thus help us to deepen our understanding on the strongly interacting exotic objects. Using a simplified model for the frequency drift speeds, we discuss the primary aspects of the flux measurement, including the prospects with LISA.
arXiv comment5 pages, 4 figures, accepted for publication in PRL
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- Identifying Disappearance of a White Dwarf Binary with LISA
- Exploring the Orbital Alignments of Galactic Close White Dwarf Binaries with LISA
- Tracking the Long-Term GW Phase Evolution for HM Cancri-like Binaries with LISA
- Gravitational wave signatures and detectability of the mass transfer effect in compact binaries
- Measuring the dipole component of possible Galaxy-binary alignment in the mHz band
- Probing Formation of Double Neutron Star Binaries around 1mHz with LISA
- LISA Galactic Binaries in the Roman Galactic Bulge Time-Domain Survey
- Tidal heating in detached double white dwarf binaries