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cond-mat.str-el2026
Non-Perturbative Renormalization Group for Ising-Nematic Criticality: A Closed-Form Nonlocal Ansatz
Hyeon Jung Kim, Kyoung-Min Kim, Ki-Seok Kim
The two-dimensional metallic quantum critical problem is a long-standing puzzle that is widely believed to hold the key to resolving ubiquitous non-Fermi liquid behavior in strongl…
cond-mat.str-el2026
Taming the 3D Wilson-Fisher Fixed Point via Nonlocal Effective Action
Hyeon Jung Kim, Seung-Jong Yoo, Jinmo Bok +3
We present a Renormalization Group (RG) framework based on a nonlocal effective action ansatz to analyze the strong coupling dynamics of the three-dimensional relativistic …