The S-matrix bootstrap is a numerical method that can be used to determine or constrain the scattering amplitudes of particles in quantum field theory using simple principles. Over the past few ...

Matrix models constitute a powerful nonperturbative framework in which quantum fields and the geometry of space–time are encoded in large matrices. Originally motivated by attempts to formulate string ...

Researchers in Japan have developed what may be the first string-theory model with a natural mechanism for explaining why our universe would seem to exist in three spatial dimensions if it actually ...