Criticality on Rényi Defects at $(2+1)\mathrm{D}$ O(3) Quantum Critical Points
Aps.org·October 5, 2026
At a quantum critical point, the universal scaling behavior of R\'enyi entanglement entropy is controlled by the universality class of the codimension-two R\'enyi (or conical) defects in the infrared theory. In this Letter we perform a systematic study of cri…
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