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quant-ph2026
From local weight selection to Zeno slowdown in an open Su-Schrieffer-Heeger chain with a single local loss
Y. T. Wang, X. Z. Zhang
We study a quadratic open SSH chain with a single-site loss and show that the many-body fermionic Lindblad problem admits an exact reduction to a finite non-Hermitian one-body matr…
quant-ph2026
Natural-orbital locking reveals hidden steady-state skin order in Gaussian open fermion chains
Y. T. Wang, X. Z. Zhang
Nonreciprocal relaxation matrices can have skin-localized right eigenmodes, but their imprint on a mixed steady state is not fixed by the density profile alone. We develop an exact…