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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…
quant-ph2026
Reinforcement Learning to Harness Approximation Errors for Long-Time Quantum Simulation
Yu-Bo Shi, Markus Heyl, Roderich Moessner +2
Accurate digital quantum simulation at long times is limited by the accumulation of errors inherent to approximate simulation. Here we introduce RL-Trotter, a reinforcement-learnin…