Speaker
Mr
Andrew Bond
(University of Sussex)
Description
Ultraviolet fixed points of the renormalisation group flow allow one to define quantum field theories which are valid up to arbitrarily high energies. However, finding fixed points is a difficult problem in general as one has an infinite number of couplings to deal with. In this talk I will discuss how restricting to the case of weakly coupled four-dimensional gauge theories allows for a complete classification of the types of fixed points which are possible, and the role Yukawa couplings play in offering a unique mechanism to allow such non-trivial fixed points to be ultraviolet.
Primary author
Mr
Andrew Bond
(University of Sussex)