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quant-ph2021
Phase Transitions in the Classical Simulability of Open Quantum Systems
F. Azad, A. Hallam, J. Morley +1
We study the evolution of an open quantum system using a Langevin unravelling of the density matrix evolution over matrix product states. As the strength of coupling to and tempera…
cond-mat.str-el2021★ 1 cited
Emergence of Gaussianity in the thermodynamic limit of interacting fermions
Gabriel Matos, Andrew Hallam, Aydin Deger +2
Systems of interacting fermions can give rise to ground states whose correlations become effectively free-fermion-like in the thermodynamic limit, as shown by Baxter for a class of…