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gr-qc2001
Coframe energy-momentum current. Algebraic properties
Yakov Itin
The coframe (teleparallel) description of gravity is known as a viable alternative to GR. One of advantages of this model is the existence of a conserved energy-momentum current wi…
gr-qc2001
On the derivation of the equations of motion in theories of gravity
Shmuel Kaniel, Yakov Itin
The equations of motion of massive particles in GR are completely determined by the field equation. We utilize the particular form of Einstein's field equation and propose for the…