We know about gravitational lensing by large-scale structure (big mass and big size effect) on cosmological scale. On the other hand one might expect to hear news about similar "photons' lensing" in another small-scale structure (small mass and small size effect) from a nuclear laboratory. The question is : do we have any experimental information about possible gravitational-like lensing (heavy atoms effects) in an intermediate size value structure, mainly from nano to micro-size ?
no, I don't think so, gravitational force is negligible or does no work in the microscopic world
let us consider this subject open (as an open question), due to small size.
How about microscopic blackholes ? would they work, they obviously have supermassive densities and are very small in size.
dear Aditya Chauhan,
thanks, to name it so.
Yes, it is the main implicit possible direction in my (open) question.
I don't understand this question: the gravitational force responsible for masses is long-range but very weak and will not show up on the lab scale unless you had a very large mass in the room such as a black hole (but then could not do any experiment with it); photons only obey the electromagnetic force which is short-range and cancels over large distances.
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