Causality is the way the real world works: a response can't come before its stimulus arrives. All real-world measurements must obey causality, but some S-parameter measurements seem to violate it. An ...
In general relativity, closed timelike curves can break causality with remarkable and unsettling consequences. At the classical level, they induce causal paradoxes disturbing enough to motivate ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results