An inhomogeneous two-replica matrix product ansatz yields the exact nonequilibrium steady state of boundary-driven XXZ brickwork circuits with arbitrary reset or field boundary conditions, including robust separable spin-helix states.
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Exact NESS of XXZ circuits boundary driven with arbitrary resets or fields
An inhomogeneous two-replica matrix product ansatz yields the exact nonequilibrium steady state of boundary-driven XXZ brickwork circuits with arbitrary reset or field boundary conditions, including robust separable spin-helix states.