Can photons affect each other's trajectories?

[CosmicVoyager]

Greetings,

Can photons affect each others' trajectories like other particles do when they encounter each other?

Thanks

 

[strangerep]

Can photons affect each others' trajectories like other particles do when they encounter each other?

Yes, but the effect is extremely weak.
See "Delbruck scattering".

http://en.wikipedia.org/wiki/Delbruck_scattering