Quantum speed limits for quantum-information-processing tasks Article Swipe
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Jeffrey M. Epstein
,
K. Birgitta Whaley
·
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1103/physreva.95.042314
· OA: W2605940529
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1103/physreva.95.042314
· OA: W2605940529
We derive algebraic bounds on achievable rates for quantum state transfer and\nentanglement generation in general quantum systems. We apply these bounds to\ngraph-based models of local quantum spin systems to obtain speed limits on\nthese tasks. A comparison to numerical optimal control results for spin chains\nsuggests that unexplored regions of the dynamical landscape may support\nenhanced performance of key quantum information processing tasks.\n
Keywords: Quantum entanglement · Quantum · Computer science · Quantum information · Quantum information processing · Quantum network · Key (lock) · Quantum computer · Theoretical computer science · Quantum mechanics · Physics
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