Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Tensor
physical phenomenon |
| gptkbp:alsoKnownAs |
energy-momentum tensor
energy-stress tensor |
| gptkbp:appearsIn |
gptkb:Einstein_field_equations
|
| gptkbp:component |
stress
energy density energy flux T^{00} = energy density T^{0i} = energy flux T^{i0} = momentum density T^{ij} = stress momentum density |
| gptkbp:covariantDerivative |
zero in absence of external forces
|
| gptkbp:describes |
density of energy
density of momentum flux of energy flux of momentum |
| gptkbp:dimensions |
4x4 matrix in 4D spacetime
|
| gptkbp:encodes |
matter
radiation therapy non-gravitational energy non-gravitational momentum |
| gptkbp:field |
field theory
mathematical physics physics relativity |
| gptkbp:hasUnit |
joule per cubic meter
kg m^{-1} s^{-2} |
| https://www.w3.org/2000/01/rdf-schema#label |
stress-energy tensor
|
| gptkbp:introduced |
gptkb:Albert_Einstein
gptkb:David_Hilbert gptkb:Élie_Cartan |
| gptkbp:mathematicalObjectType |
(0,2) tensor
(2,0) tensor |
| gptkbp:notation |
T^{μν}
T_{μν} |
| gptkbp:rank |
2
|
| gptkbp:relatedTo |
gptkb:Noether's_theorem
gptkb:cosmological_constant conservation of energy conservation of momentum conservation of angular momentum electromagnetic field scalar field perfect fluid |
| gptkbp:symbol |
T^{μν}
|
| gptkbp:usedIn |
gptkb:general_relativity
gptkb:special_relativity |
| gptkbp:bfsParent |
gptkb:Conformal_field_theory
|
| gptkbp:bfsLayer |
6
|