Bondi mass
E1017419
Bondi mass is a concept in general relativity that measures the total mass-energy of an isolated system as observed from null infinity, accounting for energy carried away by gravitational radiation.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
concept in general relativity
ⓘ
mass–energy measure ⓘ physical quantity ⓘ |
| accountsFor | energy carried away by gravitational radiation ⓘ |
| appliesTo | asymptotically flat spacetimes ⓘ |
| associatedWith |
BMS symmetry
NERFINISHED
ⓘ
Bondi–Metzner–Sachs group NERFINISHED ⓘ |
| category |
asymptotic invariants in gravitation
ⓘ
conserved quantities in relativity ⓘ mass in general relativity ⓘ |
| contrastsWith | ADM mass defined at spatial infinity ⓘ |
| definedAt |
future null infinity
ⓘ
null infinity NERFINISHED ⓘ |
| definedUsing |
Bondi–Sachs coordinates
NERFINISHED
ⓘ
asymptotic symmetry at null infinity ⓘ metric expansion near null infinity ⓘ |
| dependsOn |
Bondi news tensor
NERFINISHED
ⓘ
asymptotic behavior of the metric ⓘ |
| field | general relativity ⓘ |
| hasDimension | mass ⓘ |
| hasPhysicalInterpretation | mass measured by distant observers along outgoing null directions ⓘ |
| hasProperty |
conserved in absence of gravitational radiation
ⓘ
decreases due to emission of gravitational waves ⓘ |
| introducedBy |
A. W. K. Metzner
NERFINISHED
ⓘ
Hermann Bondi NERFINISHED ⓘ M. G. J. van der Burg NERFINISHED ⓘ |
| introducedInContextOf | gravitational radiation ⓘ |
| massLossRateProportionalTo | square of Bondi news ⓘ |
| mathematicallyExpressedAs | surface integral over cuts of null infinity ⓘ |
| measures | total mass–energy of an isolated system ⓘ |
| namedAfter | Hermann Bondi NERFINISHED ⓘ |
| relatedTo |
ADM mass
NERFINISHED
ⓘ
Bondi news function NERFINISHED ⓘ Bondi–Sachs formalism NERFINISHED ⓘ Komar mass NERFINISHED ⓘ |
| relevantFor |
asymptotic analysis of gravitational fields
ⓘ
binary inspirals emitting gravitational waves ⓘ |
| satisfies | Bondi mass loss formula NERFINISHED ⓘ |
| unit |
energy units via E = mc^2
ⓘ
kilogram ⓘ |
| usedFor |
characterizing gravitational wave emission
ⓘ
defining mass at null infinity ⓘ describing energy loss by isolated systems ⓘ |
| yearProposed | 1962 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.