2 papers
gr-qc2026
Lorentz Covariant Supertranslation Frames for the Angular Momentum Aspect
Reza Javadinezhad, Massimo Porrati
In this letter, we review the well known ambiguity in defining angular momentum (and mass dipole) fluxes in general relativity and we reinterpret recent works that resolve the ambi…
hep-th2024
Three Puzzles with Covariance and Supertranslation Invariance of Angular Momentum Flux (with Solutions)
Reza Javadinezhad, Massimo Porrati
We describe and solve three puzzles arising in covariant and supertranslation-invariant formulas for the flux of angular momentum and other Lorentz charges in asymptotically flat s…