11 citations · 11 across the 1 of their papers we have counts for
2 papers
hep-th2021★ 11 cited
Treating Divergent Perturbation Theory: Lessons from Exactly Solvable 2D Models at Large
Daniel Schubring, Chao-Hsiang Sheu, Mikhail Shifman
We consider the operator product expansion (OPE) of correlation functions in the supersymmetric non-linear sigma model at sub-leading order in the large limit in order t…
hep-th2018
Interpolating Between and Target Spaces
Daniel Schubring, Mikhail Shifman
Some magnetic phenomena in correlated electron systems were recently shown to be described in the continuum limit by a class of sigma models which present a U(1) Hopf fibration ove…