mrule_

3 ms·

1. 1.▲
   by mrule_ 9y ago

   My understanding is that in the case of an extremely massive object, frame dragging leads to local changes in spacetime that amount to "changing" what the "background" reference frame looks like? If the bucket were trul
2. 2.▲
   by mrule_ 9y ago

   I like this explanation. I've found that frame dragging ( https://en.wikipedia.org/wiki/Frame-dragging ) completes this intuition. In a hypothetical reference frame where the universe is rotating around the bucket,
3. 3.▲
   by mrule_ 9y ago

   The latter ( https://en.wikipedia.org/wiki/Quasiparticle )
4. 4.▲
   by mrule_ 9y ago

   They examine a quasiparticle, so its "mass" is a number describing the behavior of an emergent excitation of the semiconductor. It's not actually mass in the sense of an elementary particle.