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quant-ph2026
Exact nonequilibrium steady states of boundary driven circuit with XYZ gates
Xin Zhang, Tomaz Prosen, Vladislav Popkov
We obtain the exact many-body density operator of a boundary-driven XXZ quantum circuit via a spatially inhomogeneous matrix product Ansatz. The Ansatz has formally infinite bond-d…
cond-mat.stat-mech2026
Exact Steady State of a One-end Driven XXZ Spin Chain with Boundary Field
V. Popkov, T. Prosen
We find an exact nonequilibrium steady state of an open dissipatively driven XXZ spin-1/2 chain with source or sink spin bath at one end and an arbitrary boundary field at the othe…