Gravitational lensing of massless photons
24863
How can gravity affect light?
95125
Rest mass of the photon
62692
Retrieving Maxwell's equations from the minimum action principle
137796
Local translations in curved spacetime
53170
Energy conservation in General Relativity
56610
Does a single white photon exist?
103910
Massless string Paradox
83672
Time dilation in a gravitational field and the equivalence principle
66193
How to prove that a flat spacetime admits Minkowski coordinates?
27490
Group Theory in General Relativity
48930
Least-action classical electrodynamics without potentials
75580
Derivation of the speed of light using the integral forms of Maxwell's Equations
97128
Electromagnetic field of unpolarized light
34788
Lagrangian for relativistic massless point particle
27098
Tachyons and Photons
98228
Evidence for quantum gravity from gravitational waves
35409
Massless charged particles