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cond-mat.stat-mech2026
Perturbative Renormalization and Universality Diagram for Long-Range Quantum Criticality
Zhiyi Li, Zhijie Fan, Kun Chen +1
Experimental progress in quantum simulators highlights the role of long-range (LR) interactions in reshaping quantum criticality and stabilizing exotic phases beyond the short-rang…
cond-mat.stat-mech2026
Percolation in the three-dimensional Ising model
Jinhong Zhu, Tao Chen, Zhiyi Li +2
Geometric representations provide a useful perspective on critical phenomena in the Ising model. In a recent study [Phys. Rev. E 112, 034118 (2025)], we found that the two-dimensio…
cond-mat.stat-mech2026
The 4- Expansion for Long-range Interacting Systems
Zhiyi Li, Kun Chen, Youjin Deng
The establishment of the Wilson-Fisher fixed point (WFP) for spin models in dimensions stands as a cornerstone of the renormalization group (RG) theory for critical…