2 papers
quant-ph2026
The Inverse Eigenvalue Problem for Partial Transposes of Two-Qubit States
Ruoting Dou, Shengjun Wu, Zeng-Bing Chen
For a bipartite state , information about the spectrum of its partial transpose can be inferred from measurements on multiple copies of , without full state tomogra…
quant-ph2026
Local Universality and Structural Certificates for Minimal Fixed-Depth Two-Qutrit Gate Decomposition
Yurui Liu, Ruoting Dou, Peng Xu +4
We study a dimension-saturating fixed-core ansatz in which four copies of a fixed, non-tunable two-qutrit core are interleaved with five adjustable local layers from $…