query: Why is the covariant derivative of the stress-energy-momentum tensor zero?
positive_passages.docid: 26736
positive_passages.text: Reason for vanishing of the covariant derivative of energy-momentum tensor of matter in general relativity
negative_passages.docid: 72129
negative_passages.text: Finding the correct units for the energy-momentum tensor?
negative_passages.docid: 87877
negative_passages.text: Angular Momentum Conservation in Gravitational Interaction
negative_passages.docid: 116427
negative_passages.text: $(c^{\mu}\partial_{\mu}-m)\phi(x)=0$ not Lorentz-invariant?
negative_passages.docid: 94627
negative_passages.text: What's wrong with this derivation that $i\hbar = 0$?
negative_passages.docid: 59100
negative_passages.text: Does metric signature affect the stress energy tensor?
negative_passages.docid: 4687
negative_passages.text: Contracting with Levi-Civita (totally antisymmetric) tensor
negative_passages.docid: 79068
negative_passages.text: Is energy conserved in general relativity? Does $\nabla_aT^{ab}_{\rm matter}=0$ represent the conservation of energy and momentum?
negative_passages.docid: 58022
negative_passages.text: Does zero curl imply a conservative field?
negative_passages.docid: 149535
negative_passages.text: What is the constraint on the Gauge Potential in the Covariant Gauges?
negative_passages.docid: 27467
negative_passages.text: What is an intuitive explanation for $\operatorname{div} \operatorname{curl} F = 0$?
negative_passages.docid: 99312
negative_passages.text: Why Lagrangian is negative number for a relativistic massive point particle?
negative_passages.docid: 66919
negative_passages.text: When/why does the principle of least action plus boundary conditions not uniquely specify a path?
negative_passages.docid: 53170
negative_passages.text: Energy conservation in General Relativity
negative_passages.docid: 46358
negative_passages.text: geometric interpretation of $\vec v \cdot \operatorname{curl} \vec v = 0 $
negative_passages.docid: 67641
negative_passages.text: Why should field operators satisfy the classical equations of motion?
negative_passages.docid: 156636
negative_passages.text: The Existence of the $^1D$ term and the non-existence of the $^3D$ term?