Probing the efficiency of tidal synchronization in outspiralling double white dwarf binaries with LISA
arXiv:2206.15390 · doi:10.3847/1538-4357/acc585
Abstract
Compact-object binaries including a white dwarf component are unique among gravitational-wave sources because their evolution is governed not just by general relativity and tides, but also by mass transfer. While the black hole and neutron star binaries observed with ground-based gravitational-wave detectors are driven to inspiral due to the emission of gravitational radiation--manifesting as a "chirp-like" gravitational-wave signal--the astrophysical processes at work in double white dwarf (DWD) systems can cause the inspiral to stall and even reverse into an outspiral. The dynamics of the DWD outspiral thus encode information about tides, which tell us about the behaviour of electron-degenerate matter. We carry out a population study to determine the effect of the strength of tides on the distributions of the DWD binary parameters that the Laser Interferometer Space Antenna (LISA) will be able to constrain. We find that the strength of tidal coupling parameterized via the tidal synchronization timescale at the onset of mass transfer affects the distribution of gravitational-wave frequencies and frequency derivatives for detectably mass-transferring DWD systems. Using a hierarchical Bayesian framework informed by binary population synthesis simulations, we demonstrate how this parameter can be inferred using LISA observations. By measuring the population properties of DWDs, LISA will be able to probe the behavior of electron-degenerate matter.
version accepted in ApJ
References in corpus (26)
- Double-detonation sub-Chandrasekhar supernovae: can minimum helium shell masses detonate the core?
- Double-detonation sub-Chandrasekhar supernovae: synthetic observables for minimum helium shell mass models
- Double-detonation supernovae of sub-Chandrasekhar mass white dwarfs
- Where are LIGO's Big Black Holes?
- Every interacting double white dwarf binary may merge
- Interacting Binaries with Eccentric Orbits. Secular Orbital Evolution Due To Conservative Mass Transfer
- Environmental Effects for Gravitational-wave Astrophysics
- The Thermal Evolution of the Donors in AM CVn Binaries
- Accreting Double white dwarf binaries: Implications for LISA
- Evolution of Cataclysmic Variables and Related Binaries Containing a White-Dwarf
- Evolution of Close White Dwarf Binaries
- Dynamical evolution of cosmic supermassive binary black holes and their gravitational wave radiation
- Gaia photometry for white dwarfs
- Dynamical Tides in Compact White Dwarf Binaries: Influence of Rotation
- Discovery and characterization of five new eclipsing AM CVn systems
- Unveiling early black hole growth with multi-frequency gravitational wave observations
- LEGWORK: A python package for computing the evolution and detectability of stellar-origin gravitational-wave sources with space-based detectors
- Modelling the closest double degenerate system RXJ0806.3+1527 and its decreasing period
- Nonlinear dynamical tides in white dwarf binaries
- A systematic search for outbursting AM CVn systems with the Zwicky Transient Facility
- Long-term evolution of double white dwarf binaries accreting through direct impact
- Eclipsing White Dwarf Binaries in Gaia and the Zwicky Transient Facility
- On the progenitors of AM CVn stars as LISA sources: the evolved donor star channel
- Measuring the Galactic Binary Fluxes with LISA: Metamorphoses and Disappearances of White Dwarf Binaries
- Gravitational-wave radiation from double compact objects with eLISA in the Galaxy
- Orbital Period Increase in ES Ceti
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- The interacting double white dwarf population with LISA; stochastic foreground and resolved sources
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- Astrophysical Parameter Inference on Accreting White Dwarf Binaries using Gravitational Waves
- Tracking the Long-Term GW Phase Evolution for HM Cancri-like Binaries with LISA
- Population Synthesis of Gravitational Wave Sources
- LISA Galactic Binaries in the Roman Galactic Bulge Time-Domain Survey