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Optica Publishing Group
  • Optical Fiber Communication Conference and International Conference on Quantum Information
  • 2001 OSA Technical Digest Series (Optica Publishing Group, 2001),
  • paper PB1
  • https://doi.org/10.1364/ICQI.2001.PB1

Disentanglement at an Ideal Quantum Logic Gate

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Abstract

The operation of an elementary quantum “Control-NOT” logic gate is closely examined. We show that, since the external driving system forms an effective measurement of the quantum superposition, disentanglement occurs inevitably.

© 2001 Optical Society of America

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