For free fermion quenches in d≥2, the entanglement Hamiltonian at the ballistic scale is given by a quasiparticle-picture kernel built from the mode occupation function, extending the 1D result to higher dimensions.
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Quasiparticle Picture for Entanglement Hamiltonians in Higher Dimensions
For free fermion quenches in d≥2, the entanglement Hamiltonian at the ballistic scale is given by a quasiparticle-picture kernel built from the mode occupation function, extending the 1D result to higher dimensions.