Quantum dynamics as a physical resource

  • Nielsen M
  • Dawson C
  • Dodd J
 et al. 
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How useful is a quantum dynamical operation for quantum information processing? Motivated by this question we investigate several strength measures quantifying the resources intrinsic to a quantum operation. We develop a general theory of such strength measures, based on axiomatic considerations independent of state-based resources. The power of this theory is demonstrated with applications to quantum communication complexity, quantum computational complexity, and entanglement generation by unitary operations.

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  • Michael A. Nielsen

  • Christopher M. Dawson

  • Jennifer L. Dodd

  • Alexei Gilchrist

  • Duncan Mortimer

  • Tobias J. Osborne

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