Chandrasekhar–Friedman–Schutz instability
E7942
astrophysical instability
gravitational-radiation-driven instability
rotational instability in stars
The Chandrasekhar–Friedman–Schutz instability is a gravitational-radiation-driven instability in rotating stars that can cause certain oscillation modes to grow by emitting gravitational waves.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astrophysical instability
→
gravitational-radiation-driven instability → rotational instability in stars → |
| affects |
neutron stars
→
rotating stars → |
| alsoKnownAs |
CFS instability
→
|
| appliesTo |
f-modes
→
g-modes → non-axisymmetric modes → r-modes → |
| causes |
growth of non-axisymmetric oscillation modes
→
secular instability in rotating stars → |
| consequence |
emission of continuous gravitational waves
→
spin-down of rapidly rotating neutron stars → |
| criterion |
mode pattern speed changes sign between rotating and inertial frames
→
|
| dependsOn |
equation of state of dense matter
→
gravitational radiation reaction → stellar rotation rate → |
| describedIn |
general relativistic perturbation theory
→
|
| drivenBy |
emission of gravitational waves
→
|
| energySource |
rotational kinetic energy of the star
→
|
| field |
general relativity
→
gravitational-wave astrophysics → relativistic astrophysics → |
| mathematicalDescription |
eigenmode analysis of rotating relativistic stars
→
|
| mechanism |
gravitational radiation removes angular momentum from the star
→
gravitational-wave backreaction amplifies certain oscillation modes → retrograde modes in the rotating frame can appear prograde in the inertial frame → |
| namedAfter |
Bernard F. Schutz
→
John L. Friedman → Subrahmanyan Chandrasekhar → |
| observationalSignature |
narrow-band continuous gravitational-wave emission
→
|
| originatesFrom |
work of John L. Friedman and Bernard F. Schutz on gravitational radiation instabilities
→
work of Subrahmanyan Chandrasekhar on rotating stars → |
| relatedTo |
Chandrasekhar limit
→
non-radial stellar oscillations → r-mode instability → |
| relevantFor |
gravitational-wave detection by ground-based interferometers
→
young rapidly rotating neutron stars → |
| stabilizedBy |
bulk viscosity
→
shear viscosity → viscosity in stellar matter → |
| studiedIn |
numerical relativity
→
theory of compact objects → |
| timescale |
secular timescale
→
|
Referenced by (1)
| Subject (surface form when different) | Predicate |
|---|---|
|
Subrahmanyan Chandrasekhar
→
|
knownFor |