Energy-momentum tensor in general relativity vs. field theory
18414
Energy-Momentum Tensor in QFT vs. GR
57305
Relativistic Mass and Gravity
40340
How general is the Lagrangian quantization approach to field theory?
99154
Why is the covariant derivative of the metric tensor zero?
26736
Reason for vanishing of the covariant derivative of energy-momentum tensor of matter in general relativity
96283
Finding the metric tensor from the Einstein field equation?
7291
Gravity as a gauge theory
53170
Energy conservation in General Relativity
41407
How to derive or justify the expressions of momentum operator and energy operator?
69983
Photon energy - momentum in matter
130830
Counting degrees of freedom for gravitational waves as a gauge field
149535
What is the constraint on the Gauge Potential in the Covariant Gauges?
53455
Relativistic speed/energy relation. Is this correct?
63896
Why is the (non-relativistic) stress tensor linear and symmetric?
54857
The wave equation in general relativity, special relativity, and Cartesian coordinates
88658
Confusion regarding the principle of least action in Landau & Lifshitz "The Classical Theory of Fields"
122097
Is there a relativistic generalization of the Maxwell-Boltzmann velocity distribution?