Abstract
Mass currents in astrophysics generate gravitomagnetic fields of enormous complexity. Gravitomagnetic
helicity, in direct analogy with magnetic helicity, is a measure of entwining of the gravitomagnetic field
lines. We discuss gravitomagnetic helicity within the gravitoelectromagnetic (GEM) framework of
linearized general relativity. Furthermore, we employ the spacetime curvature approach to GEM in order
to determine the gravitomagnetic helicity for static observers in Kerr spacetime.
Anno
2022
Autori IAC
Tipo pubblicazione
Altri Autori
Bini D., Mashhoon B., Obukhov Y. N.
Editore
American Physical Society,
Rivista
Physical review. D. Particles, fields, gravitation, and cosmology (Online)