Quantum state preparation is a basic primitive of quantum computation and control, but its resource cost is usually analyzed for one target state or under an independent-copy construction. Here we study the many-copy problem under weighted Pauli control, where a Pauli-product rotation $e^{i\phi P}$ is charged by its ro...
Lin Zhu, Ranyiliu Chen, Xin Wang et al.· 0 citations
This survey presents a full-stack view of compiler design for QEC-protected quantum computation, and identifies open challenges in cross-layer optimization, qLDPC compilation, compiler-decoder co-design, runtime adaptivity, and the development of integrated and benchmarkable FTQC compilation stacks.
Cheng-Hong Zhu, Jia-Han Chen, Ke-Ming He et al.· 0 citations
Generalized measurements can be implemented projectively after enlarging the Hilbert space, but this dilation changes the available local dimension. We construct a Bell functional with rational coefficients that separates the two measurement models at local dimension two. An explicit three-outcome qubit positive-operat...
Lin Zhu, Ranyiliu Chen, Xin Wang et al.· 0 citations
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