Numerical study of the entanglement spectrum in a critical 2D Heisenberg model reveals M-shaped sublinear magnon modes indicating emergent long-range interactions via worldline deconfinement.
The ES is a gapless two-spinon continuum excitation, which is similar to the edge energy spectrum, as shown in Fig.2(a)
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Worldline deconfinement and emergent long-range interaction in the entanglement Hamiltonian and in the entanglement spectrum
Numerical study of the entanglement spectrum in a critical 2D Heisenberg model reveals M-shaped sublinear magnon modes indicating emergent long-range interactions via worldline deconfinement.