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cond-mat.stat-mech2026
Breakdown of Multipole Expansion in Emergent Electromagnetism
Tom Ben-Ami, Markus Heyl, Roderich Moessner
We find a striking departure from simple electrostatics in a family of two-dimensional lattice models whose effective description takes the form of an emergent electromagnetism: a…
cond-mat.stat-mech2021★ 39 cited
Finite-temperature critical behavior of long-range quantum Ising models
E. Gonzalez-Lazo, M. Heyl, M. Dalmonte +1
We study the phase diagram and critical properties of quantum Ising chains with long-range ferromagnetic interactions decaying in a power-law fashion with exponent , in regimes…