Coherent-state propagation enables quasi-polynomial classical simulation of bosonic circuits with logarithmically many Kerr gates at exponentially small trace-distance error, with polynomial runtime in the weak-nonlinearity regime.
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Cylindrical matter is a new beyond-quantum model that faithfully reproduces measurement statistics of some quantum pure-Ising systems with interactions decaying faster than 1/r^{3D/2}, allowing classical simulation.
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Coherent-State Propagation: A Computational Framework for Simulating Bosonic Quantum Systems
Coherent-state propagation enables quasi-polynomial classical simulation of bosonic circuits with logarithmically many Kerr gates at exponentially small trace-distance error, with polynomial runtime in the weak-nonlinearity regime.
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Cylindrical Matter: A beyond-quantum many-body system for efficient classical simulation of quantum pure-Ising like systems
Cylindrical matter is a new beyond-quantum model that faithfully reproduces measurement statistics of some quantum pure-Ising systems with interactions decaying faster than 1/r^{3D/2}, allowing classical simulation.
- Enabling Lie-Algebraic Classical Simulation beyond Free Fermions