A controlled ε-δ expansion around the LR-SR boundary yields two-loop expressions for ν, η_ω and η_k in long-range quantum O(n) models together with a proposed universality diagram.
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Perturbative Renormalization and Universality Diagram for Long-Range Quantum Criticality
A controlled ε-δ expansion around the LR-SR boundary yields two-loop expressions for ν, η_ω and η_k in long-range quantum O(n) models together with a proposed universality diagram.