Exact Results in Quantum Theory
sala 1.40, ul. Pasteura 5
2025-01-17 (14:15) 
Jan Dereziński (KMMF)
Are tachyons physical
The short answer is: they are not. I will give a long answer. After a definition of what I mean by "physical", I will explain the flaws of various attempts to define tachyonic quantum field theory. My talk is inspired by recent discussions in our Faculty about tachyons.