Bennett's laws

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Bennett's laws of quantum information are:

  1. 1 qubit \geqslant 1 bit (classical)
  2. 1 qubit \geqslant 1 ebit (entanglement bit)
  3. 1 ebit + 1 qubit \geqslant 2 bits (i.e. superdense coding)
  4. 1 ebit + 2 bits \geqslant 1 qubit (i.e. quantum teleportation)

where \geqslant indicates 'can do the job of.'

These principles were formulated around 1993 by Charles H. Bennett.

References[edit]

  • Quantum Mechanics: The Physics of the Microscopic World, Benjamin Schumacher, The Teaching Company, lecture 21