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Measurement-Based Quantum Correlations for Quantum Information Processing
Uman Khalid1, Junaid Ur Rehman1, Hyundong Shin2
1Department of Electronic Engineering, Kyung Hee University, Yongin-si, 17104, Korea.
Abstract:
Measurement-based quantum correlations (MbQCs) depend on how strongly an observer perturbs the unobserved system. This distinctive property differentiates MbQCs from traditional quantum correlations such as entanglement and discord. We utilize MbQCs to elucidate quantum information processing capabilities in quantum computation and quantum state discrimination. We show that MbQCs exist more generally than entanglement and discord in optimal assisted quantum state discrimination and in a deterministic quantum computation with a single qubit. We also propose an MbQC-based dimension witness and analyze it in different noisy and noiseless scenarios.
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