Learning the Hamiltonian of a many-body system from its dynamics is a central task in quantum science, yet the algorithms with the strongest provable guarantees assume some level of quantum control--fast, arbitrary single-qubit gates interleaved with time evolution, and measurements in arbitrary bases--that is beyond t...
W. Gong, Mu-Zhou Ma, Si-Tan Chen et al.· 0 citations
Quantum metrology, which addresses parameter estimation in quantum systems, has broad applications across science and technology. Conventional metrology protocols for multi-qubit states in the multi-parameter regime typically require highly complex quantum measurements, leading to substantial quantum-resource costs. In...
Liang Mao, Senrui Chen, Hsin-Yuan Huang et al.· 0 citations
Mitten codes are introduced, a family of qLDPC processor codes of encoding rate of encoding rate of $20 and check weight of $9, based on non-abelian groups, allowing mitten codes to reach distance $18 and beyond with just a few hundred data qubits.
Aditya Bhardwaj, Mu-Zhou Ma, N. Meister et al.· 9 citations· ⚡2
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