Author

X.-Z. Zhang

3 papers indexed here

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Preprint Sep 2026

Coherence-Mediated Boundary Control of the Liouvillian Gap in Nonreciprocal Open Quantum Systems

We study a single-particle Lindblad lattice in which nonreciprocal incoherent hopping is combined with a tunable coherent boundary link. The link changes the Hamiltonian boundary condition while the incoherent jump rates are kept fixed, so it does not directly alter the diagonal population generator. Its effect on the...

K.-L. Li, M.-H. Yu, X.-Z. Zhang · 1 citation

Preprint Sep 2026

Reservoir-conditioned virtual returns generate random Liouvillian skin localization in a reciprocal Mott insulator

Directional dissipation can concentrate relaxation modes in space, but connecting this accumulation to controlled microscopic processes in correlated matter requires separating virtual charge motion from spin coherence. We study this connection in a half-filled Hubbard chain with reciprocal hopping and number-conservin...

Y.-T. Wang, X.-Z. Zhang, W.-M. Liu · 0 citations

Preprint Oct 2026

Emergent SSH physics and localization in a cavity--atom system beyond the rotating-wave approximation

We investigate a cavity--atom system beyond the rotating-wave approximation and recast its dynamics as an effective tight-binding problem in the excitation-number basis. The same experimentally relevant light--matter platform exhibits two distinct regimes controlled by the photon number. In the large-photon-number regi...

H. Shen, J. Cao, R. Wang et al. · 0 citations