orthogonal transformations,
EM invariants,
longitudinal vector component of the electromagnetic field waves,
electro - gravito - magnetic (EGM) field,
Weyl - like equation for describing massless particles.
Subject:
Gravitational wave
Main publications:
Bratianu Daniel, “Magnetostatics and Gravity”, International Journal of Theoretical and Mathematical Physics, 7:4 (2017), 13
Bratianu Daniel, “The Electromagnetic Radiation and Gravity”, International Journal of Theoretical and Mathematical Physics, 6:3 (2016), 93–98
Bratianu Daniel, “The Hydrogen Atom – Extended Model”, International Journal of Theoretical and Mathematical Physics, 5:6 (2015), 151–159